122725124 has 6 divisors (see below), whose sum is σ = 214768974. Its totient is φ = 61362560.

The previous prime is 122725121. The next prime is 122725147. The reversal of 122725124 is 421527221.

It can be written as a sum of positive squares in only one way, i.e., 121705024 + 1020100 = 11032^2 + 1010^2 .

It is a super-2 number, since 2×122725124² = 30122912121630752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122725093 and 122725102.

It is not an unprimeable number, because it can be changed into a prime (122725121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15340637 + ... + 15340644.

It is an arithmetic number, because the mean of its divisors is an integer number (35794829).

Almost surely, 2^122725124 is an apocalyptic number.

It is an amenable number.

122725124 is a deficient number, since it is larger than the sum of its proper divisors (92043850).

122725124 is a wasteful number, since it uses less digits than its factorization.

122725124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30681285 (or 30681283 counting only the distinct ones).

The product of its digits is 2240, while the sum is 26.

The square root of 122725124 is about 11078.1372080328. The cubic root of 122725124 is about 496.9482434596.

The spelling of 122725124 in words is "one hundred twenty-two million, seven hundred twenty-five thousand, one hundred twenty-four".