122625045 has 12 divisors (see below), whose sum is σ = 212550156. Its totient is φ = 65400000.

The previous prime is 122625037. The next prime is 122625049. The reversal of 122625045 is 540526221.

It can be written as a sum of positive squares in 2 ways, for example, as 36469521 + 86155524 = 6039^2 + 9282^2 .

It is not a de Polignac number, because 122625045 - 2³ = 122625037 is a prime.

It is a super-2 number, since 2×122625045² = 30073803322504050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122625049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1362456 + ... + 1362545.

It is an arithmetic number, because the mean of its divisors is an integer number (17712513).

Almost surely, 2^122625045 is an apocalyptic number.

122625045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122625045 is a deficient number, since it is larger than the sum of its proper divisors (89925111).

122625045 is a wasteful number, since it uses less digits than its factorization.

122625045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725012 (or 2725009 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 122625045 is about 11073.6193270312. The cubic root of 122625045 is about 496.8131241331.

The spelling of 122625045 in words is "one hundred twenty-two million, six hundred twenty-five thousand, forty-five".