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122122130 = 251371101131
BaseRepresentation
bin1110100011101…
…10111110010010
322111210110001212
413101312332102
5222230402010
620041300122
73012010124
oct721667622
9274713055
10122122130
1162a31189
1234a94642
131c3bab20
141230d214
15aac4505
hex7476f92

122122130 has 64 divisors (see below), whose sum is σ = 244290816. Its totient is φ = 43680000.

The previous prime is 122122129. The next prime is 122122181. The reversal of 122122130 is 31221221.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 932165 + ... + 932295.

It is an arithmetic number, because the mean of its divisors is an integer number (3817044).

Almost surely, 2122122130 is an apocalyptic number.

122122130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122122130 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

122122130 is a wasteful number, since it uses less digits than its factorization.

122122130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 122122130 is about 11050.8881995974. Note that the first 3 decimals coincide. The cubic root of 122122130 is about 496.1330098754.

Adding to 122122130 its reverse (31221221), we get a palindrome (153343351).

Subtracting from 122122130 its reverse (31221221), we obtain a palindrome (90900909).

The spelling of 122122130 in words is "one hundred twenty-two million, one hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 65 71 101 130 131 142 202 262 355 505 655 710 923 1010 1310 1313 1703 1846 2626 3406 4615 6565 7171 8515 9230 9301 13130 13231 14342 17030 18602 26462 35855 46505 66155 71710 93010 93223 120913 132310 172003 186446 241826 344006 466115 604565 860015 932230 939401 1209130 1720030 1878802 4697005 9394010 12212213 24424426 61061065 122122130