124752587761 has 2 divisors, whose sum is σ = 124752587762. Its totient is φ = 124752587760.

The previous prime is 124752587731. The next prime is 124752587779. The reversal of 124752587761 is 167785257421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119184443361 + 5568144400 = 345231^2 + 74620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124752587761 is a prime.

It is not a weakly prime, because it can be changed into another prime (124752587731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62376293880 + 62376293881.

It is an arithmetic number, because the mean of its divisors is an integer number (62376293881).

Almost surely, 2^124752587761 is an apocalyptic number.

It is an amenable number.

124752587761 is a deficient number, since it is larger than the sum of its proper divisors (1).

124752587761 is an equidigital number, since it uses as much as digits as its factorization.

124752587761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6585600, while the sum is 55.

The spelling of 124752587761 in words is "one hundred twenty-four billion, seven hundred fifty-two million, five hundred eighty-seven thousand, seven hundred sixty-one".