124742392 has 32 divisors (see below), whose sum is σ = 242122320. Its totient is φ = 60203520.

The previous prime is 124742381. The next prime is 124742393. The reversal of 124742392 is 293247421.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124742393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37168 + ... + 40384.

Almost surely, 2^124742392 is an apocalyptic number.

It is an amenable number.

124742392 is a deficient number, since it is larger than the sum of its proper divisors (117379928).

124742392 is a wasteful number, since it uses less digits than its factorization.

124742392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3391 (or 3387 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 124742392 is about 11168.8133657967. The cubic root of 124742392 is about 499.6562864428.

The spelling of 124742392 in words is "one hundred twenty-four million, seven hundred forty-two thousand, three hundred ninety-two".