1158492 has 24 divisors (see below), whose sum is σ = 2797200. Its totient is φ = 372736.

The previous prime is 1158491. The next prime is 1158523. The reversal of 1158492 is 2948511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1317 + ... + 2012.

It is an arithmetic number, because the mean of its divisors is an integer number (116550).

2^1158492 is an apocalyptic number.

1158492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1158492 is an abundant number, since it is smaller than the sum of its proper divisors (1638708).

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

1158492 is a wasteful number, since it uses less digits than its factorization.

1158492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365 (or 3363 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 1158492 is about 1076.3326623307. The cubic root of 1158492 is about 105.0262066106.

The spelling of 1158492 in words is "one million, one hundred fifty-eight thousand, four hundred ninety-two".