125456897 has 4 divisors (see below), whose sum is σ = 127329456. Its totient is φ = 123584340.

The previous prime is 125456873. The next prime is 125456911. The reversal of 125456897 is 798654521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 798654521 = 7 ⋅114093503.

It is a cyclic number.

It is not a de Polignac number, because 125456897 - 2²⁰ = 124408321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125456857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 936179 + ... + 936312.

It is an arithmetic number, because the mean of its divisors is an integer number (31832364).

Almost surely, 2^125456897 is an apocalyptic number.

It is an amenable number.

125456897 is a deficient number, since it is larger than the sum of its proper divisors (1872559).

125456897 is an equidigital number, since it uses as much as digits as its factorization.

125456897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872558.

The product of its digits is 604800, while the sum is 47.

The square root of 125456897 is about 11200.7543049564. The cubic root of 125456897 is about 500.6084552640.

The spelling of 125456897 in words is "one hundred twenty-five million, four hundred fifty-six thousand, eight hundred ninety-seven".