126971433 has 24 divisors (see below), whose sum is σ = 194794080. Its totient is φ = 79470720.

The previous prime is 126971423. The next prime is 126971441. The reversal of 126971433 is 334179621.

It is not a de Polignac number, because 126971433 - 2⁴ = 126971417 is a prime.

It is a super-2 number, since 2×126971433² = 32243489596146978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126971413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16038 + ... + 22608.

It is an arithmetic number, because the mean of its divisors is an integer number (8116420).

Almost surely, 2^126971433 is an apocalyptic number.

It is an amenable number.

126971433 is a deficient number, since it is larger than the sum of its proper divisors (67822647).

126971433 is a wasteful number, since it uses less digits than its factorization.

126971433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6709 (or 6706 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 126971433 is about 11268.1601426320. The cubic root of 126971433 is about 502.6148783168.

The spelling of 126971433 in words is "one hundred twenty-six million, nine hundred seventy-one thousand, four hundred thirty-three".