120054102155 has 32 divisors (see below), whose sum is σ = 156415492800. Its totient is φ = 87931533312.

The previous prime is 120054102149. The next prime is 120054102193. The reversal of 120054102155 is 551201450021.

It is a cyclic number.

It is not a de Polignac number, because 120054102155 - 2¹⁰ = 120054101131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11473316 + ... + 11483774.

It is an arithmetic number, because the mean of its divisors is an integer number (4887984150).

Almost surely, 2^120054102155 is an apocalyptic number.

120054102155 is a deficient number, since it is larger than the sum of its proper divisors (36361390645).

120054102155 is a wasteful number, since it uses less digits than its factorization.

120054102155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11903.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 120054102155 its reverse (551201450021), we get a palindrome (671255552176).

The spelling of 120054102155 in words is "one hundred twenty billion, fifty-four million, one hundred two thousand, one hundred fifty-five".