124911641 has 2 divisors, whose sum is σ = 124911642. Its totient is φ = 124911640.

The previous prime is 124911629. The next prime is 124911779. The reversal of 124911641 is 146119421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96609241 + 28302400 = 9829^2 + 5320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124911641 is a prime.

It is not a weakly prime, because it can be changed into another prime (124911601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62455820 + 62455821.

It is an arithmetic number, because the mean of its divisors is an integer number (62455821).

Almost surely, 2^124911641 is an apocalyptic number.

It is an amenable number.

124911641 is a deficient number, since it is larger than the sum of its proper divisors (1).

124911641 is an equidigital number, since it uses as much as digits as its factorization.

124911641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 29.

The square root of 124911641 is about 11176.3876543363. The cubic root of 124911641 is about 499.8821602298.

The spelling of 124911641 in words is "one hundred twenty-four million, nine hundred eleven thousand, six hundred forty-one".