123102076987142 has 64 divisors (see below), whose sum is σ = 209352314880000. Its totient is φ = 53800772702880.

The previous prime is 123102076987129. The next prime is 123102076987147. The reversal of 123102076987142 is 241789670201321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123102076987147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90774923 + ... + 92121065.

It is an arithmetic number, because the mean of its divisors is an integer number (3271129920000).

Almost surely, 2^{123102076987142} is an apocalyptic number.

123102076987142 is a deficient number, since it is larger than the sum of its proper divisors (86250237892858).

123102076987142 is a wasteful number, since it uses less digits than its factorization.

123102076987142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347761.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 123102076987142 in words is "one hundred twenty-three trillion, one hundred two billion, seventy-six million, nine hundred eighty-seven thousand, one hundred forty-two".