124109000947 has 4 divisors (see below), whose sum is σ = 124109871376. Its totient is φ = 124108130520.

The previous prime is 124109000941. The next prime is 124109000993. The reversal of 124109000947 is 749000901421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124109000947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124109000941) 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, 165708 + ... + 525049.

It is an arithmetic number, because the mean of its divisors is an integer number (31027467844).

Almost surely, 2^124109000947 is an apocalyptic number.

124109000947 is the 188308-th centered heptagonal number.

124109000947 is a deficient number, since it is larger than the sum of its proper divisors (870429).

124109000947 is an equidigital number, since it uses as much as digits as its factorization.

124109000947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870428.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 124109000947 in words is "one hundred twenty-four billion, one hundred nine million, nine hundred forty-seven", and thus it is an aban number.