1155122102 has 8 divisors (see below), whose sum is σ = 1769548896. Its totient is φ = 565272472.

The previous prime is 1155122099. The next prime is 1155122117. The reversal of 1155122102 is 2012215511.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6144173 + ... + 6144360.

It is an arithmetic number, because the mean of its divisors is an integer number (221193612).

Almost surely, 2^1155122102 is an apocalyptic number.

1155122102 is a deficient number, since it is larger than the sum of its proper divisors (614426794).

1155122102 is a wasteful number, since it uses less digits than its factorization.

1155122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12288582.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1155122102 is about 33987.0872832610. The cubic root of 1155122102 is about 1049.2427198772.

Adding to 1155122102 its reverse (2012215511), we get a palindrome (3167337613).

The spelling of 1155122102 in words is "one billion, one hundred fifty-five million, one hundred twenty-two thousand, one hundred two".