125392397 has 8 divisors (see below), whose sum is σ = 135288216. Its totient is φ = 115532352.

The previous prime is 125392387. The next prime is 125392469. The reversal of 125392397 is 793293521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2758921 + 122633476 = 1661^2 + 11074^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-125392397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125392327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1418 + ... + 15899.

It is an arithmetic number, because the mean of its divisors is an integer number (16911027).

Almost surely, 2^125392397 is an apocalyptic number.

It is an amenable number.

125392397 is a deficient number, since it is larger than the sum of its proper divisors (9895819).

125392397 is a wasteful number, since it uses less digits than its factorization.

125392397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17887.

The product of its digits is 102060, while the sum is 41.

The square root of 125392397 is about 11197.8746644174. The cubic root of 125392397 is about 500.5226494847.

The spelling of 125392397 in words is "one hundred twenty-five million, three hundred ninety-two thousand, three hundred ninety-seven".