124440977 has 2 divisors, whose sum is σ = 124440978. Its totient is φ = 124440976.

The previous prime is 124440941. The next prime is 124440991. The reversal of 124440977 is 779044421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63616576 + 60824401 = 7976^2 + 7799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124440977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124440977.

It is not a weakly prime, because it can be changed into another prime (124440917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62220488 + 62220489.

It is an arithmetic number, because the mean of its divisors is an integer number (62220489).

Almost surely, 2^124440977 is an apocalyptic number.

It is an amenable number.

124440977 is a deficient number, since it is larger than the sum of its proper divisors (1).

124440977 is an equidigital number, since it uses as much as digits as its factorization.

124440977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 124440977 is about 11155.3116047917. The cubic root of 124440977 is about 499.2535220961.

The spelling of 124440977 in words is "one hundred twenty-four million, four hundred forty thousand, nine hundred seventy-seven".