124432331306661 has 36 divisors (see below), whose sum is σ = 209481481639404. Its totient is φ = 70967712816000.

The previous prime is 124432331306651. The next prime is 124432331306677. The reversal of 124432331306661 is 166603133234421.

It can be written as a sum of positive squares in 2 ways, for example, as 9894604333761 + 114537726972900 = 3145569^2 + 10702230^2 .

It is not a de Polignac number, because 124432331306661 - 2¹¹ = 124432331304613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124432331306641) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 270556690 + ... + 271016211.

It is an arithmetic number, because the mean of its divisors is an integer number (5818930045539).

Almost surely, 2^{124432331306661} is an apocalyptic number.

It is an amenable number.

124432331306661 is a deficient number, since it is larger than the sum of its proper divisors (85049150332743).

124432331306661 is a wasteful number, since it uses less digits than its factorization.

124432331306661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541573442 (or 541573432 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 45.

The spelling of 124432331306661 in words is "one hundred twenty-four trillion, four hundred thirty-two billion, three hundred thirty-one million, three hundred six thousand, six hundred sixty-one".