126371025 has 36 divisors (see below), whose sum is σ = 246926160. Its totient is φ = 61269600.

The previous prime is 126371017. The next prime is 126371029. The reversal of 126371025 is 520173621.

It is a happy number.

126371025 is a `hidden beast` number, since 1 + 2 + 637 + 1 + 0 + 25 = 666.

It is not a de Polignac number, because 126371025 - 2³ = 126371017 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 126371025.

It is not an unprimeable number, because it can be changed into a prime (126371029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23055 + ... + 28004.

It is an arithmetic number, because the mean of its divisors is an integer number (6859060).

Almost surely, 2^126371025 is an apocalyptic number.

126371025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126371025 is a deficient number, since it is larger than the sum of its proper divisors (120555135).

126371025 is a wasteful number, since it uses less digits than its factorization.

126371025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51086 (or 51078 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 126371025 is about 11241.4867788918. The cubic root of 126371025 is about 501.8213903512.

The spelling of 126371025 in words is "one hundred twenty-six million, three hundred seventy-one thousand, twenty-five".