126743941 has 4 divisors (see below), whose sum is σ = 127711584. Its totient is φ = 125776300.

The previous prime is 126743933. The next prime is 126743951. The reversal of 126743941 is 149347621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126743941 - 2³ = 126743933 is a prime.

It is a super-2 number, since 2×126743941² = 32128053160422962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126743941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126743951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483625 + ... + 483886.

It is an arithmetic number, because the mean of its divisors is an integer number (31927896).

Almost surely, 2^126743941 is an apocalyptic number.

It is an amenable number.

126743941 is a deficient number, since it is larger than the sum of its proper divisors (967643).

126743941 is an equidigital number, since it uses as much as digits as its factorization.

126743941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967642.

The product of its digits is 36288, while the sum is 37.

The square root of 126743941 is about 11258.0611563448. The cubic root of 126743941 is about 502.3145240912.

The spelling of 126743941 in words is "one hundred twenty-six million, seven hundred forty-three thousand, nine hundred forty-one".