122499560 has 32 divisors (see below), whose sum is σ = 275996160. Its totient is φ = 48933696.

The previous prime is 122499551. The next prime is 122499581. The reversal of 122499560 is 65994221.

It is a super-2 number, since 2×122499560² = 30012284400387200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37097 + ... + 40263.

It is an arithmetic number, because the mean of its divisors is an integer number (8624880).

Almost surely, 2^122499560 is an apocalyptic number.

122499560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122499560 is an abundant number, since it is smaller than the sum of its proper divisors (153496600).

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

122499560 is a wasteful number, since it uses less digits than its factorization.

122499560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145 (or 4141 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 122499560 is about 11067.9519333976. The cubic root of 122499560 is about 496.6435995673.

It can be divided in two parts, 122 and 499560, that multiplied together give a triangular number (60946320 = T₁₁₀₄₀).

The spelling of 122499560 in words is "one hundred twenty-two million, four hundred ninety-nine thousand, five hundred sixty".