125418122 has 4 divisors (see below), whose sum is σ = 188127186. Its totient is φ = 62709060.

The previous prime is 125418119. The next prime is 125418131. The reversal of 125418122 is 221814521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 120538441 + 4879681 = 10979^2 + 2209^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125418091 and 125418100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31354529 + ... + 31354532.

Almost surely, 2^125418122 is an apocalyptic number.

125418122 is a deficient number, since it is larger than the sum of its proper divisors (62709064).

125418122 is an equidigital number, since it uses as much as digits as its factorization.

125418122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62709063.

The product of its digits is 1280, while the sum is 26.

The square root of 125418122 is about 11199.0232609813. The cubic root of 125418122 is about 500.5568755490.

The spelling of 125418122 in words is "one hundred twenty-five million, four hundred eighteen thousand, one hundred twenty-two".