1491132 has 24 divisors (see below), whose sum is σ = 3499216. Its totient is φ = 494208.

The previous prime is 1491109. The next prime is 1491157. The reversal of 1491132 is 2311941.

It is a junction number, because it is equal to n+sod(n) for n = 1491099 and 1491108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3558 + ... + 3954.

2^1491132 is an apocalyptic number.

1491132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1491132 is an abundant number, since it is smaller than the sum of its proper divisors (2008084).

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

1491132 is a wasteful number, since it uses less digits than its factorization.

1491132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 715 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

The square root of 1491132 is about 1221.1191588047. The cubic root of 1491132 is about 114.2453932165.

The spelling of 1491132 in words is "one million, four hundred ninety-one thousand, one hundred thirty-two".