124919401 has 2 divisors, whose sum is σ = 124919402. Its totient is φ = 124919400.

The previous prime is 124919387. The next prime is 124919407. The reversal of 124919401 is 104919421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86044176 + 38875225 = 9276^2 + 6235^2 .

It is a cyclic number.

It is not a de Polignac number, because 124919401 - 2⁵ = 124919369 is a prime.

It is not a weakly prime, because it can be changed into another prime (124919407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62459700 + 62459701.

It is an arithmetic number, because the mean of its divisors is an integer number (62459701).

Almost surely, 2^124919401 is an apocalyptic number.

It is an amenable number.

124919401 is a deficient number, since it is larger than the sum of its proper divisors (1).

124919401 is an equidigital number, since it uses as much as digits as its factorization.

124919401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 124919401 is about 11176.7348094155. The cubic root of 124919401 is about 499.8925115608.

The spelling of 124919401 in words is "one hundred twenty-four million, nine hundred nineteen thousand, four hundred one".