124220479 has 16 divisors (see below), whose sum is σ = 134424576. Its totient is φ = 114364800.

The previous prime is 124220477. The next prime is 124220491. The reversal of 124220479 is 974022421.

It is a cyclic number.

It is not a de Polignac number, because 124220479 - 2¹ = 124220477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124220479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124220477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217264 + ... + 217834.

It is an arithmetic number, because the mean of its divisors is an integer number (8401536).

Almost surely, 2^124220479 is an apocalyptic number.

124220479 is a deficient number, since it is larger than the sum of its proper divisors (10204097).

124220479 is a wasteful number, since it uses less digits than its factorization.

124220479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 124220479 is about 11145.4241283138. The cubic root of 124220479 is about 498.9584706062.

The spelling of 124220479 in words is "one hundred twenty-four million, two hundred twenty thousand, four hundred seventy-nine".