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122140060 = 2257872429
BaseRepresentation
bin1110100011110…
…11010110011100
322111211100122221
413101323112130
5222231440220
620041515124
73012113320
oct721732634
9274740587
10122140060
1162a436a9
1234aa2aa4
131c3c6033
1412315980
15aac99aa
hex747b59c

122140060 has 24 divisors (see below), whose sum is σ = 293136480. Its totient is φ = 41876544.

The previous prime is 122140049. The next prime is 122140063. The reversal of 122140060 is 60041221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122140063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436075 + ... + 436354.

It is an arithmetic number, because the mean of its divisors is an integer number (12214020).

Almost surely, 2122140060 is an apocalyptic number.

122140060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122140060 is an abundant number, since it is smaller than the sum of its proper divisors (170996420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122140060 is a wasteful number, since it uses less digits than its factorization.

122140060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872445 (or 872443 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 122140060 is about 11051.6994168318. The cubic root of 122140060 is about 496.1572894758.

Adding to 122140060 its reverse (60041221), we get a palindrome (182181281).

The spelling of 122140060 in words is "one hundred twenty-two million, one hundred forty thousand, sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 872429 1744858 3489716 4362145 6107003 8724290 12214006 17448580 24428012 30535015 61070030 122140060