124042556 has 12 divisors (see below), whose sum is σ = 236808600. Its totient is φ = 56382960.

The previous prime is 124042553. The next prime is 124042559. The reversal of 124042556 is 655240421.

It is an interprime number because it is at equal distance from previous prime (124042553) and next prime (124042559).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124042553) 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, 1409531 + ... + 1409618.

It is an arithmetic number, because the mean of its divisors is an integer number (19734050).

Almost surely, 2^124042556 is an apocalyptic number.

It is an amenable number.

124042556 is a deficient number, since it is larger than the sum of its proper divisors (112766044).

124042556 is a wasteful number, since it uses less digits than its factorization.

124042556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819164 (or 2819162 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 124042556 is about 11137.4393825511. The cubic root of 124042556 is about 498.7201346849.

Adding to 124042556 its reverse (655240421), we get a palindrome (779282977).

The spelling of 124042556 in words is "one hundred twenty-four million, forty-two thousand, five hundred fifty-six".