122455600 has 30 divisors (see below), whose sum is σ = 294200540. Its totient is φ = 48982080.

The previous prime is 122455591. The next prime is 122455601. The reversal of 122455600 is 6554221.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (122455601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152670 + ... + 153469.

Almost surely, 2^122455600 is an apocalyptic number.

122455600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122455600 is an abundant number, since it is smaller than the sum of its proper divisors (171744940).

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

122455600 is a wasteful number, since it uses less digits than its factorization.

122455600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306157 (or 306146 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 122455600 is about 11065.9658412630. The cubic root of 122455600 is about 496.5841842117.

The spelling of 122455600 in words is "one hundred twenty-two million, four hundred fifty-five thousand, six hundred".