102126842147 has 16 divisors (see below), whose sum is σ = 113732170080. Its totient is φ = 90921657600.

The previous prime is 102126842131. The next prime is 102126842173. The reversal of 102126842147 is 741248621201.

It is a cyclic number.

It is not a de Polignac number, because 102126842147 - 2⁴ = 102126842131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102126842147.

It is not an unprimeable number, because it can be changed into a prime (102126842177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178658 + ... + 485975.

It is an arithmetic number, because the mean of its divisors is an integer number (7108260630).

Almost surely, 2^102126842147 is an apocalyptic number.

102126842147 is a deficient number, since it is larger than the sum of its proper divisors (11605327933).

102126842147 is a wasteful number, since it uses less digits than its factorization.

102126842147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664934.

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 102126842147 in words is "one hundred two billion, one hundred twenty-six million, eight hundred forty-two thousand, one hundred forty-seven".