124514921 has 8 divisors (see below), whose sum is σ = 125975304. Its totient is φ = 123059200.

The previous prime is 124514917. The next prime is 124514933. The reversal of 124514921 is 129415421.

It can be written as a sum of positive squares in 4 ways, for example, as 6553600 + 117961321 = 2560^2 + 10861^2 .

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 124514921 - 2² = 124514917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (124514021) 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 7 ways as a sum of consecutive naturals, for example, 101705 + ... + 102921.

It is an arithmetic number, because the mean of its divisors is an integer number (15746913).

Almost surely, 2^124514921 is an apocalyptic number.

It is an amenable number.

124514921 is a deficient number, since it is larger than the sum of its proper divisors (1460383).

124514921 is a wasteful number, since it uses less digits than its factorization.

124514921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331.

The product of its digits is 2880, while the sum is 29.

The square root of 124514921 is about 11158.6254081764. The cubic root of 124514921 is about 499.3523895636.

The spelling of 124514921 in words is "one hundred twenty-four million, five hundred fourteen thousand, nine hundred twenty-one".