1157200002 has 24 divisors (see below), whose sum is σ = 2865447936. Its totient is φ = 330628536.

The previous prime is 1157199991. The next prime is 1157200003. The reversal of 1157200002 is 2000027511.

It is a super-2 number, since 2×1157200002² = 2678223689257600008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1157200003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4591938 + ... + 4592189.

It is an arithmetic number, because the mean of its divisors is an integer number (119393664).

Almost surely, 2^1157200002 is an apocalyptic number.

1157200002 is an abundant number, since it is smaller than the sum of its proper divisors (1708247934).

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

1157200002 is a wasteful number, since it uses less digits than its factorization.

1157200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9184142 (or 9184139 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1157200002 is about 34017.6425109090. The cubic root of 1157200002 is about 1049.8714890339.

Adding to 1157200002 its reverse (2000027511), we get a palindrome (3157227513).

The spelling of 1157200002 in words is "one billion, one hundred fifty-seven million, two hundred thousand, two".