124124891 has 8 divisors (see below), whose sum is σ = 142536000. Its totient is φ = 106901640.

The previous prime is 124124873. The next prime is 124124909. The reversal of 124124891 is 198421421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (124124873) and next prime (124124909).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124124891 - 2²⁶ = 57016027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124124801) 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, 296741 + ... + 297158.

It is an arithmetic number, because the mean of its divisors is an integer number (17817000).

Almost surely, 2^124124891 is an apocalyptic number.

124124891 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

124124891 is a deficient number, since it is larger than the sum of its proper divisors (18411109).

124124891 is a wasteful number, since it uses less digits than its factorization.

124124891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593929.

The product of its digits is 4608, while the sum is 32.

The square root of 124124891 is about 11141.1350857980. The cubic root of 124124891 is about 498.8304544595.

The spelling of 124124891 in words is "one hundred twenty-four million, one hundred twenty-four thousand, eight hundred ninety-one".