126117425 has 18 divisors (see below), whose sum is σ = 181919718. Its totient is φ = 86479680.

The previous prime is 126117367. The next prime is 126117451. The reversal of 126117425 is 524711621.

It can be written as a sum of positive squares in 3 ways, for example, as 5798464 + 120318961 = 2408^2 + 10969^2 .

It is not a de Polignac number, because 126117425 - 2²⁶ = 59008561 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 50252 + ... + 52701.

It is an arithmetic number, because the mean of its divisors is an integer number (10106651).

Almost surely, 2^126117425 is an apocalyptic number.

It is an amenable number.

126117425 is a deficient number, since it is larger than the sum of its proper divisors (55802293).

126117425 is a wasteful number, since it uses less digits than its factorization.

126117425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102977 (or 102965 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 126117425 is about 11230.2014674715. The cubic root of 126117425 is about 501.4854823140.

The spelling of 126117425 in words is "one hundred twenty-six million, one hundred seventeen thousand, four hundred twenty-five".