124902049 has 4 divisors (see below), whose sum is σ = 124929280. Its totient is φ = 124874820.

The previous prime is 124902017. The next prime is 124902059. The reversal of 124902049 is 940209421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 940209421 = 281 ⋅3345941.

It is a cyclic number.

It is not a de Polignac number, because 124902049 - 2⁵ = 124902017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124902049.

It is not an unprimeable number, because it can be changed into a prime (124902059) 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, 4857 + ... + 16534.

It is an arithmetic number, because the mean of its divisors is an integer number (31232320).

Almost surely, 2^124902049 is an apocalyptic number.

It is an amenable number.

124902049 is a deficient number, since it is larger than the sum of its proper divisors (27231).

124902049 is an equidigital number, since it uses as much as digits as its factorization.

124902049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27230.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 124902049 is about 11175.9585271242. The cubic root of 124902049 is about 499.8693645384.

The spelling of 124902049 in words is "one hundred twenty-four million, nine hundred two thousand, forty-nine".