1140732 has 18 divisors (see below), whose sum is σ = 2883608. Its totient is φ = 380232.

The previous prime is 1140721. The next prime is 1140749. The reversal of 1140732 is 2370411.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15808 + ... + 15879.

2^1140732 is an apocalyptic number.

1140732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1140732 is an abundant number, since it is smaller than the sum of its proper divisors (1742876).

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

1140732 is a wasteful number, since it uses less digits than its factorization.

1140732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31697 (or 31692 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1140732 is about 1068.0505606009. The cubic root of 1140732 is about 104.4867469438.

The spelling of 1140732 in words is "one million, one hundred forty thousand, seven hundred thirty-two".