40971123 has 8 divisors (see below), whose sum is σ = 60698000. Its totient is φ = 27314064.

The previous prime is 40971109. The next prime is 40971127. The reversal of 40971123 is 32117904.

It is not a de Polignac number, because 40971123 - 2⁴ = 40971107 is a prime.

It is a super-2 number, since 2×40971123² = 3357265839762258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1517449 = 40971123 / (4 + 0 + 9 + 7 + 1 + 1 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40971127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758698 + ... + 758751.

It is an arithmetic number, because the mean of its divisors is an integer number (7587250).

Almost surely, 2^40971123 is an apocalyptic number.

40971123 is a deficient number, since it is larger than the sum of its proper divisors (19726877).

40971123 is a wasteful number, since it uses less digits than its factorization.

40971123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517458 (or 1517452 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 40971123 is about 6400.8689253882. The cubic root of 40971123 is about 344.7407504158.

The spelling of 40971123 in words is "forty million, nine hundred seventy-one thousand, one hundred twenty-three".