124502401 has 4 divisors (see below), whose sum is σ = 124535812. Its totient is φ = 124468992.

The previous prime is 124502387. The next prime is 124502419. The reversal of 124502401 is 104205421.

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

It can be written as a sum of positive squares in 2 ways, for example, as 78588225 + 45914176 = 8865^2 + 6776^2 .

It is a cyclic number.

It is not a de Polignac number, because 124502401 - 2¹⁷ = 124371329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124502431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10296 + ... + 18841.

It is an arithmetic number, because the mean of its divisors is an integer number (31133953).

Almost surely, 2^124502401 is an apocalyptic number.

It is an amenable number.

124502401 is a deficient number, since it is larger than the sum of its proper divisors (33411).

124502401 is an equidigital number, since it uses as much as digits as its factorization.

124502401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33410.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 124502401 is about 11158.0643930746. The cubic root of 124502401 is about 499.3356523420.

Adding to 124502401 its reverse (104205421), we get a palindrome (228707822).

The spelling of 124502401 in words is "one hundred twenty-four million, five hundred two thousand, four hundred one".