1157000 has 64 divisors (see below), whose sum is σ = 2948400. Its totient is φ = 422400.

The previous prime is 1156997. The next prime is 1157011. The reversal of 1157000 is 7511.

It can be written as a sum of positive squares in 8 ways, for example, as 37636 + 1119364 = 194^2 + 1058^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12956 + ... + 13044.

2^1157000 is an apocalyptic number.

1157000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1157000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1474200).

1157000 is an abundant number, since it is smaller than the sum of its proper divisors (1791400).

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

1157000 is a wasteful number, since it uses less digits than its factorization.

1157000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 35, while the sum is 14.

The square root of 1157000 is about 1075.6393447620. The cubic root of 1157000 is about 104.9811001508.

The spelling of 1157000 in words is "one million, one hundred fifty-seven thousand".