124641961 has 2 divisors, whose sum is σ = 124641962. Its totient is φ = 124641960.

The previous prime is 124641947. The next prime is 124641983. The reversal of 124641961 is 169146421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124434025 + 207936 = 11155^2 + 456^2 .

It is an emirp because it is prime and its reverse (169146421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124641961 - 2⁵ = 124641929 is a prime.

It is a super-4 number, since 4×124641961⁴ (a number of 33 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (124641911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62320980 + 62320981.

It is an arithmetic number, because the mean of its divisors is an integer number (62320981).

Almost surely, 2^124641961 is an apocalyptic number.

It is an amenable number.

124641961 is a deficient number, since it is larger than the sum of its proper divisors (1).

124641961 is an equidigital number, since it uses as much as digits as its factorization.

124641961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The square root of 124641961 is about 11164.3164143623. The cubic root of 124641961 is about 499.5221581465.

The spelling of 124641961 in words is "one hundred twenty-four million, six hundred forty-one thousand, nine hundred sixty-one".