124391310262061 has 4 divisors (see below), whose sum is σ = 124462027324800. Its totient is φ = 124320593199324.

The previous prime is 124391310262031. The next prime is 124391310262081. The reversal of 124391310262061 is 160262013193421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124391310262061 - 2²² = 124391306067757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124391310262031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35358528731 + ... + 35358532248.

It is an arithmetic number, because the mean of its divisors is an integer number (31115506831200).

Almost surely, 2^{124391310262061} is an apocalyptic number.

It is an amenable number.

124391310262061 is a deficient number, since it is larger than the sum of its proper divisors (70717062739).

124391310262061 is an equidigital number, since it uses as much as digits as its factorization.

124391310262061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70717062738.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 124391310262061 in words is "one hundred twenty-four trillion, three hundred ninety-one billion, three hundred ten million, two hundred sixty-two thousand, sixty-one".