124443997 has 2 divisors, whose sum is σ = 124443998. Its totient is φ = 124443996.

The previous prime is 124443989. The next prime is 124444003. The reversal of 124443997 is 799344421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124233316 + 210681 = 11146^2 + 459^2 .

It is a cyclic number.

It is not a de Polignac number, because 124443997 - 2³ = 124443989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124443937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62221998 + 62221999.

It is an arithmetic number, because the mean of its divisors is an integer number (62221999).

Almost surely, 2^124443997 is an apocalyptic number.

It is an amenable number.

124443997 is a deficient number, since it is larger than the sum of its proper divisors (1).

124443997 is an equidigital number, since it uses as much as digits as its factorization.

124443997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 124443997 is about 11155.4469654963. The cubic root of 124443997 is about 499.2575607803.

The spelling of 124443997 in words is "one hundred twenty-four million, four hundred forty-three thousand, nine hundred ninety-seven".