124913563 has 4 divisors (see below), whose sum is σ = 125547840. Its totient is φ = 124279288.

The previous prime is 124913557. The next prime is 124913567. The reversal of 124913563 is 365319421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124913563 - 2¹³ = 124905371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124913567) 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, 316843 + ... + 317236.

It is an arithmetic number, because the mean of its divisors is an integer number (31386960).

Almost surely, 2^124913563 is an apocalyptic number.

124913563 is a deficient number, since it is larger than the sum of its proper divisors (634277).

124913563 is an equidigital number, since it uses as much as digits as its factorization.

124913563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634276.

The product of its digits is 19440, while the sum is 34.

The square root of 124913563 is about 11176.4736388541. The cubic root of 124913563 is about 499.8847240916.

The spelling of 124913563 in words is "one hundred twenty-four million, nine hundred thirteen thousand, five hundred sixty-three".