125872797 has 4 divisors (see below), whose sum is σ = 167830400. Its totient is φ = 83915196.

The previous prime is 125872781. The next prime is 125872801. The reversal of 125872797 is 797278521.

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.

It is not a de Polignac number, because 125872797 - 2⁴ = 125872781 is a prime.

It is a super-2 number, since 2×125872797² = 31687922049206418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125872717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20978797 + ... + 20978802.

It is an arithmetic number, because the mean of its divisors is an integer number (41957600).

Almost surely, 2^125872797 is an apocalyptic number.

It is an amenable number.

125872797 is a deficient number, since it is larger than the sum of its proper divisors (41957603).

125872797 is an equidigital number, since it uses as much as digits as its factorization.

125872797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41957602.

The product of its digits is 493920, while the sum is 48.

The square root of 125872797 is about 11219.3046575980. The cubic root of 125872797 is about 501.1610312594.

The spelling of 125872797 in words is "one hundred twenty-five million, eight hundred seventy-two thousand, seven hundred ninety-seven".