124892971 has 4 divisors (see below), whose sum is σ = 142734832. Its totient is φ = 107051112.

The previous prime is 124892953. The next prime is 124892981. The reversal of 124892971 is 179298421.

It is a happy number.

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

It is not a de Polignac number, because 124892971 - 2¹¹ = 124890923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124892981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8920920 + ... + 8920933.

It is an arithmetic number, because the mean of its divisors is an integer number (35683708).

Almost surely, 2^124892971 is an apocalyptic number.

124892971 is a deficient number, since it is larger than the sum of its proper divisors (17841861).

124892971 is an equidigital number, since it uses as much as digits as its factorization.

124892971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17841860.

The product of its digits is 72576, while the sum is 43.

The square root of 124892971 is about 11175.5523800839. The cubic root of 124892971 is about 499.8572539177.

The spelling of 124892971 in words is "one hundred twenty-four million, eight hundred ninety-two thousand, nine hundred seventy-one".