1157832 has 48 divisors (see below), whose sum is σ = 3379740. Its totient is φ = 355968.

The previous prime is 1157831. The next prime is 1157833. The reversal of 1157832 is 2387511.

It is an interprime number because it is at equal distance from previous prime (1157831) and next prime (1157833).

It can be written as a sum of positive squares in 2 ways, for example, as 1153476 + 4356 = 1074^2 + 66^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1157796 and 1157805.

It is not an unprimeable number, because it can be changed into a prime (1157831) 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, 318 + ... + 1554.

2^1157832 is an apocalyptic number.

1157832 is a gapful number since it is divisible by the number (12) 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 1157832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1689870).

1157832 is an abundant number, since it is smaller than the sum of its proper divisors (2221908).

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

1157832 is a wasteful number, since it uses less digits than its factorization.

1157832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262 (or 1255 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 1157832 is about 1076.0260219902. The cubic root of 1157832 is about 105.0062581304.

The spelling of 1157832 in words is "one million, one hundred fifty-seven thousand, eight hundred thirty-two".