122461250 has 30 divisors (see below), whose sum is σ = 230277069. Its totient is φ = 48828000.

The previous prime is 122461243. The next prime is 122461259. The reversal of 122461250 is 52164221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 85507009 + 36954241 = 9247^2 + 6079^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7825.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122461259) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 391094 + ... + 391406.

Almost surely, 2^122461250 is an apocalyptic number.

122461250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122461250 is a deficient number, since it is larger than the sum of its proper divisors (107815819).

122461250 is an frugal number, since it uses more digits than its factorization.

122461250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 122461250 is about 11066.2211255695. The cubic root of 122461250 is about 496.5918214220.

The spelling of 122461250 in words is "one hundred twenty-two million, four hundred sixty-one thousand, two hundred fifty".