124002921 has 8 divisors (see below), whose sum is σ = 188956864. Its totient is φ = 70858800.

The previous prime is 124002917. The next prime is 124002929. The reversal of 124002921 is 129200421.

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

It is not a de Polignac number, because 124002921 - 2² = 124002917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5904901 = 124002921 / (1 + 2 + 4 + 0 + 0 + 2 + 9 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124002929) 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, 2952430 + ... + 2952471.

It is an arithmetic number, because the mean of its divisors is an integer number (23619608).

Almost surely, 2^124002921 is an apocalyptic number.

It is an amenable number.

124002921 is a deficient number, since it is larger than the sum of its proper divisors (64953943).

124002921 is an equidigital number, since it uses as much as digits as its factorization.

124002921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5904911.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 124002921 is about 11135.6598816595. The cubic root of 124002921 is about 498.6670107708.

It can be divided in two parts, 1240029 and 21, that multiplied together give a square (26040609 = 5103²).

The spelling of 124002921 in words is "one hundred twenty-four million, two thousand, nine hundred twenty-one".