124001641 has 2 divisors, whose sum is σ = 124001642. Its totient is φ = 124001640.

The previous prime is 124001629. The next prime is 124001663. The reversal of 124001641 is 146100421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115025625 + 8976016 = 10725^2 + 2996^2 .

It is a cyclic number.

It is not a de Polignac number, because 124001641 - 2⁷ = 124001513 is a prime.

It is not a weakly prime, because it can be changed into another prime (124001681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62000820 + 62000821.

It is an arithmetic number, because the mean of its divisors is an integer number (62000821).

Almost surely, 2^124001641 is an apocalyptic number.

It is an amenable number.

124001641 is a deficient number, since it is larger than the sum of its proper divisors (1).

124001641 is an equidigital number, since it uses as much as digits as its factorization.

124001641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 124001641 is about 11135.6024084914. The cubic root of 124001641 is about 498.6652949618.

It can be divided in two parts, 12400 and 1641, that added together give a palindrome (14041).

The spelling of 124001641 in words is "one hundred twenty-four million, one thousand, six hundred forty-one".