124640349 has 16 divisors (see below), whose sum is σ = 167697600. Its totient is φ = 82342656.

The previous prime is 124640303. The next prime is 124640371. The reversal of 124640349 is 943046421.

It is not a de Polignac number, because 124640349 - 2⁷ = 124640221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124640389) 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, 287637 + ... + 288069.

It is an arithmetic number, because the mean of its divisors is an integer number (10481100).

Almost surely, 2^124640349 is an apocalyptic number.

It is an amenable number.

124640349 is a deficient number, since it is larger than the sum of its proper divisors (43057251).

124640349 is a wasteful number, since it uses less digits than its factorization.

124640349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 124640349 is about 11164.2442198297. The cubic root of 124640349 is about 499.5200046898.

The spelling of 124640349 in words is "one hundred twenty-four million, six hundred forty thousand, three hundred forty-nine".