122907040 has 24 divisors (see below), whose sum is σ = 290368260. Its totient is φ = 49162752.

The previous prime is 122907023. The next prime is 122907041. The reversal of 122907040 is 40709221.

It can be written as a sum of positive squares in 2 ways, for example, as 122855056 + 51984 = 11084^2 + 228^2 .

It is a super-2 number, since 2×122907040² = 30212280963123200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122906996 and 122907014.

It is not an unprimeable number, because it can be changed into a prime (122907041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383925 + ... + 384244.

Almost surely, 2^122907040 is an apocalyptic number.

122907040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122907040 is an abundant number, since it is smaller than the sum of its proper divisors (167461220).

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

122907040 is an equidigital number, since it uses as much as digits as its factorization.

122907040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768184 (or 768176 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 122907040 is about 11086.3447537951. The cubic root of 122907040 is about 497.1936651040.

The spelling of 122907040 in words is "one hundred twenty-two million, nine hundred seven thousand, forty".