125398297 has 2 divisors, whose sum is σ = 125398298. Its totient is φ = 125398296.

The previous prime is 125398279. The next prime is 125398319. The reversal of 125398297 is 792893521.

Together with previous prime (125398279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123121216 + 2277081 = 11096^2 + 1509^2 .

It is a cyclic number.

It is not a de Polignac number, because 125398297 - 2¹⁵ = 125365529 is a prime.

It is not a weakly prime, because it can be changed into another prime (125393297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62699148 + 62699149.

It is an arithmetic number, because the mean of its divisors is an integer number (62699149).

Almost surely, 2^125398297 is an apocalyptic number.

It is an amenable number.

125398297 is a deficient number, since it is larger than the sum of its proper divisors (1).

125398297 is an equidigital number, since it uses as much as digits as its factorization.

125398297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 46.

The square root of 125398297 is about 11198.1381041671. The cubic root of 125398297 is about 500.5304996079.

The spelling of 125398297 in words is "one hundred twenty-five million, three hundred ninety-eight thousand, two hundred ninety-seven".