125297290 has 8 divisors (see below), whose sum is σ = 225535140. Its totient is φ = 50118912.

The previous prime is 125297287. The next prime is 125297351. The reversal of 125297290 is 92792521.

It can be written as a sum of positive squares in 2 ways, for example, as 118396161 + 6901129 = 10881^2 + 2627^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6264855 + ... + 6264874.

Almost surely, 2^125297290 is an apocalyptic number.

125297290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125297290 is a deficient number, since it is larger than the sum of its proper divisors (100237850).

125297290 is a wasteful number, since it uses less digits than its factorization.

125297290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12529736.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 125297290 is about 11193.6272047983. The cubic root of 125297290 is about 500.3960728364.

The spelling of 125297290 in words is "one hundred twenty-five million, two hundred ninety-seven thousand, two hundred ninety".