122747025 has 12 divisors (see below), whose sum is σ = 202941872. Its totient is φ = 65465040.

The previous prime is 122747003. The next prime is 122747063. The reversal of 122747025 is 520747221.

It is not a de Polignac number, because 122747025 - 2⁸ = 122746769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122746983 and 122747001.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 818239 + ... + 818388.

Almost surely, 2^122747025 is an apocalyptic number.

122747025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122747025 is a deficient number, since it is larger than the sum of its proper divisors (80194847).

122747025 is a wasteful number, since it uses less digits than its factorization.

122747025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636640 (or 1636635 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 122747025 is about 11079.1256423962. The cubic root of 122747025 is about 496.9778027864.

It can be divided in two parts, 1227 and 47025, that multiplied together give a palindrome (57699675).

The spelling of 122747025 in words is "one hundred twenty-two million, seven hundred forty-seven thousand, twenty-five".