1155939102 has 12 divisors (see below), whose sum is σ = 2504534760. Its totient is φ = 385313028.

The previous prime is 1155939079. The next prime is 1155939107. The reversal of 1155939102 is 2019395511.

1155939102 is a `hidden beast` number, since 11 + 559 + 3 + 91 + 0 + 2 = 666.

1155939102 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155939107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32109402 + ... + 32109437.

It is an arithmetic number, because the mean of its divisors is an integer number (208711230).

Almost surely, 2^1155939102 is an apocalyptic number.

1155939102 is an abundant number, since it is smaller than the sum of its proper divisors (1348595658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1155939102 is a wasteful number, since it uses less digits than its factorization.

1155939102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64218847 (or 64218844 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 36.

The square root of 1155939102 is about 33999.1044293817. The cubic root of 1155939102 is about 1049.4900326296.

The spelling of 1155939102 in words is "one billion, one hundred fifty-five million, nine hundred thirty-nine thousand, one hundred two".