126881975 has 24 divisors (see below), whose sum is σ = 172191360. Its totient is φ = 91980000.

The previous prime is 126881969. The next prime is 126882023. The reversal of 126881975 is 579188621.

It is not a de Polignac number, because 126881975 - 2⁴ = 126881959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120200 + ... + 121250.

It is an arithmetic number, because the mean of its divisors is an integer number (7174640).

Almost surely, 2^126881975 is an apocalyptic number.

126881975 is a deficient number, since it is larger than the sum of its proper divisors (45309385).

126881975 is a wasteful number, since it uses less digits than its factorization.

126881975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511 (or 1506 counting only the distinct ones).

The product of its digits is 241920, while the sum is 47.

The square root of 126881975 is about 11264.1899398048. The cubic root of 126881975 is about 502.4968111148.

The spelling of 126881975 in words is "one hundred twenty-six million, eight hundred eighty-one thousand, nine hundred seventy-five".