124130761 has 2 divisors, whose sum is σ = 124130762. Its totient is φ = 124130760.

The previous prime is 124130731. The next prime is 124130767. The reversal of 124130761 is 167031421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74287161 + 49843600 = 8619^2 + 7060^2 .

It is a cyclic number.

It is not a de Polignac number, because 124130761 - 2²¹ = 122033609 is a prime.

It is not a weakly prime, because it can be changed into another prime (124130767) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62065380 + 62065381.

It is an arithmetic number, because the mean of its divisors is an integer number (62065381).

Almost surely, 2^124130761 is an apocalyptic number.

It is an amenable number.

124130761 is a deficient number, since it is larger than the sum of its proper divisors (1).

124130761 is an equidigital number, since it uses as much as digits as its factorization.

124130761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 124130761 is about 11141.3985208321. The cubic root of 124130761 is about 498.8383177456.

The spelling of 124130761 in words is "one hundred twenty-four million, one hundred thirty thousand, seven hundred sixty-one".