124045387 has 4 divisors (see below), whose sum is σ = 126385920. Its totient is φ = 121704856.

The previous prime is 124045381. The next prime is 124045393. The reversal of 124045387 is 783540421.

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

It is an interprime number because it is at equal distance from previous prime (124045381) and next prime (124045393).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124045387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124045381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170187 + ... + 1170292.

It is an arithmetic number, because the mean of its divisors is an integer number (31596480).

Almost surely, 2^124045387 is an apocalyptic number.

124045387 is a deficient number, since it is larger than the sum of its proper divisors (2340533).

124045387 is an equidigital number, since it uses as much as digits as its factorization.

124045387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340532.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 124045387 is about 11137.5664756714. The cubic root of 124045387 is about 498.7239287214.

The spelling of 124045387 in words is "one hundred twenty-four million, forty-five thousand, three hundred eighty-seven".