124402144 has 12 divisors (see below), whose sum is σ = 244916784. Its totient is φ = 62201056.

The previous prime is 124402127. The next prime is 124402171. The reversal of 124402144 is 441204421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1943752 + ... + 1943815.

It is an arithmetic number, because the mean of its divisors is an integer number (20409732).

Almost surely, 2^124402144 is an apocalyptic number.

It is an amenable number.

124402144 is a deficient number, since it is larger than the sum of its proper divisors (120514640).

124402144 is an equidigital number, since it uses as much as digits as its factorization.

124402144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887577 (or 3887569 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 124402144 is about 11153.5709080097. The cubic root of 124402144 is about 499.2015844104.

Adding to 124402144 its reverse (441204421), we get a palindrome (565606565).

The spelling of 124402144 in words is "one hundred twenty-four million, four hundred two thousand, one hundred forty-four".