1140920 has 32 divisors (see below), whose sum is σ = 2801520. Its totient is φ = 414720.

The previous prime is 1140913. The next prime is 1140929. The reversal of 1140920 is 290411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857 + ... + 1736.

2^1140920 is an apocalyptic number.

1140920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140920 is an abundant number, since it is smaller than the sum of its proper divisors (1660600).

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

1140920 is a wasteful number, since it uses less digits than its factorization.

1140920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615 (or 2611 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1140920 is about 1068.1385677898. The cubic root of 1140920 is about 104.4924866587.

The spelling of 1140920 in words is "one million, one hundred forty thousand, nine hundred twenty".