124455556 has 6 divisors (see below), whose sum is σ = 217797230. Its totient is φ = 62227776.

The previous prime is 124455547. The next prime is 124455557. The reversal of 124455556 is 655554421.

It can be written as a sum of positive squares in only one way, i.e., 118374400 + 6081156 = 10880^2 + 2466^2 .

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (124455557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556941 + ... + 15556948.

Almost surely, 2^124455556 is an apocalyptic number.

It is an amenable number.

124455556 is a deficient number, since it is larger than the sum of its proper divisors (93341674).

124455556 is a wasteful number, since it uses less digits than its factorization.

124455556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31113893 (or 31113891 counting only the distinct ones).

The product of its digits is 120000, while the sum is 37.

The square root of 124455556 is about 11155.9650411786. The cubic root of 124455556 is about 499.2730181738.

The spelling of 124455556 in words is "one hundred twenty-four million, four hundred fifty-five thousand, five hundred fifty-six".