124445887 has 2 divisors, whose sum is σ = 124445888. Its totient is φ = 124445886.

The previous prime is 124445869. The next prime is 124445891. The reversal of 124445887 is 788544421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124445887 - 2⁷ = 124445759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124445857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62222943 + 62222944.

It is an arithmetic number, because the mean of its divisors is an integer number (62222944).

Almost surely, 2^124445887 is an apocalyptic number.

124445887 is a deficient number, since it is larger than the sum of its proper divisors (1).

124445887 is an equidigital number, since it uses as much as digits as its factorization.

124445887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 286720, while the sum is 43.

The square root of 124445887 is about 11155.5316771546. The cubic root of 124445887 is about 499.2600882680.

The spelling of 124445887 in words is "one hundred twenty-four million, four hundred forty-five thousand, eight hundred eighty-seven".