124490387 has 4 divisors (see below), whose sum is σ = 142274736. Its totient is φ = 106706040.

The previous prime is 124490369. The next prime is 124490423. The reversal of 124490387 is 783094421.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 124490387 - 2⁶ = 124490323 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 124490387.

It is not an unprimeable number, because it can be changed into a prime (124490287) 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, 8892164 + ... + 8892177.

It is an arithmetic number, because the mean of its divisors is an integer number (35568684).

Almost surely, 2^124490387 is an apocalyptic number.

124490387 is a deficient number, since it is larger than the sum of its proper divisors (17784349).

124490387 is an equidigital number, since it uses as much as digits as its factorization.

124490387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17784348.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 124490387 is about 11157.5260250649. The cubic root of 124490387 is about 499.3195905058.

The spelling of 124490387 in words is "one hundred twenty-four million, four hundred ninety thousand, three hundred eighty-seven".