124651221 has 8 divisors (see below), whose sum is σ = 168542784. Its totient is φ = 81930240.

The previous prime is 124651181. The next prime is 124651277. The reversal of 124651221 is 122156421.

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

It is not a de Polignac number, because 124651221 - 2⁹ = 124650709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124651191 and 124651200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124651721) 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, 292396 + ... + 292821.

It is an arithmetic number, because the mean of its divisors is an integer number (21067848).

Almost surely, 2^124651221 is an apocalyptic number.

It is an amenable number.

124651221 is a deficient number, since it is larger than the sum of its proper divisors (43891563).

124651221 is an equidigital number, since it uses as much as digits as its factorization.

124651221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585291.

The product of its digits is 960, while the sum is 24.

The square root of 124651221 is about 11164.7311208107. The cubic root of 124651221 is about 499.5345281397.

The spelling of 124651221 in words is "one hundred twenty-four million, six hundred fifty-one thousand, two hundred twenty-one".