122451025 has 12 divisors (see below), whose sum is σ = 152683804. Its totient is φ = 97416000.

The previous prime is 122451001. The next prime is 122451037. The reversal of 122451025 is 520154221.

It can be written as a sum of positive squares in 6 ways, for example, as 50523664 + 71927361 = 7108^2 + 8481^2 .

It is not a de Polignac number, because 122451025 - 2²⁵ = 88896593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122450987 and 122451005.

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, 9006 + ... + 18055.

Almost surely, 2^122451025 is an apocalyptic number.

It is an amenable number.

122451025 is a deficient number, since it is larger than the sum of its proper divisors (30232779).

122451025 is a wasteful number, since it uses less digits than its factorization.

122451025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27252 (or 27247 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 122451025 is about 11065.7591244343. The cubic root of 122451025 is about 496.5779999269.

The spelling of 122451025 in words is "one hundred twenty-two million, four hundred fifty-one thousand, twenty-five".