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122101030 = 25192149227
BaseRepresentation
bin1110100011100…
…01110100100110
322111202101010101
413101301310212
5222224213110
620041014314
73011561452
oct721616446
9274671111
10122101030
1162a17347
1234a8439a
131c3b133c
1412305662
15aabd13a
hex7471d26

122101030 has 48 divisors (see below), whose sum is σ = 234543600. Its totient is φ = 45756864.

The previous prime is 122101019. The next prime is 122101061. The reversal of 122101030 is 30101221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 122100998 and 122101016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 537777 + ... + 538003.

It is an arithmetic number, because the mean of its divisors is an integer number (4886325).

Almost surely, 2122101030 is an apocalyptic number.

122101030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122101030 is a deficient number, since it is larger than the sum of its proper divisors (112442570).

122101030 is a wasteful number, since it uses less digits than its factorization.

122101030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 122101030 is about 11049.9334839627. The cubic root of 122101030 is about 496.1044346301.

Adding to 122101030 its reverse (30101221), we get a palindrome (152202251).

The spelling of 122101030 in words is "one hundred twenty-two million, one hundred one thousand, thirty".

Divisors: 1 2 5 10 19 38 95 149 190 227 298 361 454 722 745 1135 1490 1805 2270 2831 3610 4313 5662 8626 14155 21565 28310 33823 43130 53789 67646 81947 107578 163894 169115 268945 338230 409735 537890 642637 819470 1285274 3213185 6426370 12210103 24420206 61050515 122101030