126398375 has 16 divisors (see below), whose sum is σ = 160729920. Its totient is φ = 99205600.

The previous prime is 126398359. The next prime is 126398413. The reversal of 126398375 is 573893621.

It is not a de Polignac number, because 126398375 - 2⁴ = 126398359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2915 + ... + 16164.

It is an arithmetic number, because the mean of its divisors is an integer number (10045620).

Almost surely, 2^126398375 is an apocalyptic number.

126398375 is a deficient number, since it is larger than the sum of its proper divisors (34331545).

126398375 is an equidigital number, since it uses as much as digits as its factorization.

126398375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19147 (or 19137 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 126398375 is about 11242.7031891801. The cubic root of 126398375 is about 501.8575901710.

The spelling of 126398375 in words is "one hundred twenty-six million, three hundred ninety-eight thousand, three hundred seventy-five".