124749423 has 16 divisors (see below), whose sum is σ = 187948800. Its totient is φ = 81755640.

The previous prime is 124749419. The next prime is 124749437. The reversal of 124749423 is 324947421.

It is not a de Polignac number, because 124749423 - 2² = 124749419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124749413) 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, 37563 + ... + 40748.

It is an arithmetic number, because the mean of its divisors is an integer number (11746800).

Almost surely, 2^124749423 is an apocalyptic number.

124749423 is a deficient number, since it is larger than the sum of its proper divisors (63199377).

124749423 is an equidigital number, since it uses as much as digits as its factorization.

124749423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78379 (or 78373 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 124749423 is about 11169.1281217470. The cubic root of 124749423 is about 499.6656738352.

The spelling of 124749423 in words is "one hundred twenty-four million, seven hundred forty-nine thousand, four hundred twenty-three".