124150405404661 has 2 divisors, whose sum is σ = 124150405404662. Its totient is φ = 124150405404660.

The previous prime is 124150405404653. The next prime is 124150405404667. The reversal of 124150405404661 is 166404504051421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122592926364561 + 1557479040100 = 11072169^2 + 1247990^2 .

It is an emirp because it is prime and its reverse (166404504051421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124150405404661 - 2³ = 124150405404653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124150405404667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62075202702330 + 62075202702331.

It is an arithmetic number, because the mean of its divisors is an integer number (62075202702331).

Almost surely, 2^{124150405404661} is an apocalyptic number.

It is an amenable number.

124150405404661 is a deficient number, since it is larger than the sum of its proper divisors (1).

124150405404661 is an equidigital number, since it uses as much as digits as its factorization.

124150405404661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 124150405404661 in words is "one hundred twenty-four trillion, one hundred fifty billion, four hundred five million, four hundred four thousand, six hundred sixty-one".