102120556159 has 8 divisors (see below), whose sum is σ = 105419105792. Its totient is φ = 98822277720.

The previous prime is 102120556127. The next prime is 102120556169. The reversal of 102120556159 is 951655021201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102120556159 - 2⁵ = 102120556127 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 (102120556169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931492 + ... + 1035334.

It is an arithmetic number, because the mean of its divisors is an integer number (13177388224).

Almost surely, 2^102120556159 is an apocalyptic number.

102120556159 is a deficient number, since it is larger than the sum of its proper divisors (3298549633).

102120556159 is a wasteful number, since it uses less digits than its factorization.

102120556159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135597.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 102120556159 in words is "one hundred two billion, one hundred twenty million, five hundred fifty-six thousand, one hundred fifty-nine".