971941123 has 4 divisors (see below), whose sum is σ = 998209840. Its totient is φ = 945672408.

The previous prime is 971941111. The next prime is 971941129. The reversal of 971941123 is 321149179.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 971941123 - 2¹⁷ = 971810051 is a prime.

It is a super-2 number, since 2×971941123² = 1889339093157002258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 26268679 = 971941123 / (9 + 7 + 1 + 9 + 4 + 1 + 1 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (971941129) 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, 13134303 + ... + 13134376.

It is an arithmetic number, because the mean of its divisors is an integer number (249552460).

Almost surely, 2^971941123 is an apocalyptic number.

971941123 is a deficient number, since it is larger than the sum of its proper divisors (26268717).

971941123 is a wasteful number, since it uses less digits than its factorization.

971941123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26268716.

The product of its digits is 13608, while the sum is 37.

The square root of 971941123 is about 31175.9702816127. The cubic root of 971941123 is about 990.5581734857.

The spelling of 971941123 in words is "nine hundred seventy-one million, nine hundred forty-one thousand, one hundred twenty-three".