124438394 has 4 divisors (see below), whose sum is σ = 186657594. Its totient is φ = 62219196.

The previous prime is 124438367. The next prime is 124438421. The reversal of 124438394 is 493834421.

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 (124438367) and next prime (124438421).

It can be written as a sum of positive squares in only one way, i.e., 121330225 + 3108169 = 11015^2 + 1763^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31109597 + ... + 31109600.

Almost surely, 2^124438394 is an apocalyptic number.

124438394 is a deficient number, since it is larger than the sum of its proper divisors (62219200).

124438394 is an equidigital number, since it uses as much as digits as its factorization.

124438394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62219199.

The product of its digits is 82944, while the sum is 38.

The square root of 124438394 is about 11155.1958297468. The cubic root of 124438394 is about 499.2500677656.

The spelling of 124438394 in words is "one hundred twenty-four million, four hundred thirty-eight thousand, three hundred ninety-four".