1157388102 has 112 divisors (see below), whose sum is σ = 2825973360. Its totient is φ = 353232576.

The previous prime is 1157388079. The next prime is 1157388109. The reversal of 1157388102 is 2018837511.

1157388102 is a `hidden beast` number, since 1 + 1 + 573 + 8 + 81 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157388109) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4302424 + ... + 4302692.

It is an arithmetic number, because the mean of its divisors is an integer number (25231905).

Almost surely, 2^1157388102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1157388102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1412986680).

1157388102 is an abundant number, since it is smaller than the sum of its proper divisors (1668585258).

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

1157388102 is a wasteful number, since it uses less digits than its factorization.

1157388102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 1157388102 is about 34020.4071404209. The cubic root of 1157388102 is about 1049.9283706239.

The spelling of 1157388102 in words is "one billion, one hundred fifty-seven million, three hundred eighty-eight thousand, one hundred two".