122070625 has 20 divisors (see below), whose sum is σ = 161526420. Its totient is φ = 91904000.

The previous prime is 122070617. The next prime is 122070667. The reversal of 122070625 is 526070221.

It can be written as a sum of positive squares in 10 ways, for example, as 93683041 + 28387584 = 9679^2 + 5328^2 .

It is not a de Polignac number, because 122070625 - 2³ = 122070617 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 122070625.

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 4881 + ... + 16369.

It is an arithmetic number, because the mean of its divisors is an integer number (8076321).

It is the magic constant of a 625 × 625 magic square.

Almost surely, 2^122070625 is an apocalyptic number.

It is an amenable number.

122070625 is a deficient number, since it is larger than the sum of its proper divisors (39455795).

122070625 is an equidigital number, since it uses as much as digits as its factorization.

122070625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11526 (or 11511 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 122070625 is about 11048.5575981664. The cubic root of 122070625 is about 496.0632520466.

The spelling of 122070625 in words is "one hundred twenty-two million, seventy thousand, six hundred twenty-five".