122937240 has 32 divisors (see below), whose sum is σ = 368812080. Its totient is φ = 32783232.

The previous prime is 122937223. The next prime is 122937247. The reversal of 122937240 is 42739221.

It is a super-2 number, since 2×122937240² = 30227129957635200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 122937198 and 122937207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122937247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512119 + ... + 512358.

Almost surely, 2^122937240 is an apocalyptic number.

122937240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122937240 is an abundant number, since it is smaller than the sum of its proper divisors (245874840).

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

122937240 is a wasteful number, since it uses less digits than its factorization.

122937240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024491 (or 1024487 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 122937240 is about 11087.7067060777. The cubic root of 122937240 is about 497.2343842769.

The spelling of 122937240 in words is "one hundred twenty-two million, nine hundred thirty-seven thousand, two hundred forty".