126373971 has 16 divisors (see below), whose sum is σ = 178637184. Its totient is φ = 79192704.

The previous prime is 126373969. The next prime is 126373999. The reversal of 126373971 is 179373621.

It is a happy number.

It is not a de Polignac number, because 126373971 - 2¹ = 126373969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126573971) 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 15 ways as a sum of consecutive naturals, for example, 76860 + ... + 78486.

It is an arithmetic number, because the mean of its divisors is an integer number (11164824).

Almost surely, 2^126373971 is an apocalyptic number.

126373971 is a deficient number, since it is larger than the sum of its proper divisors (52263213).

126373971 is a wasteful number, since it uses less digits than its factorization.

126373971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170.

The product of its digits is 47628, while the sum is 39.

The square root of 126373971 is about 11241.6178106178. The cubic root of 126373971 is about 501.8252898588.

The spelling of 126373971 in words is "one hundred twenty-six million, three hundred seventy-three thousand, nine hundred seventy-one".