1132890 has 32 divisors (see below), whose sum is σ = 2966976. Its totient is φ = 274560.

The previous prime is 1132883. The next prime is 1132909. The reversal of 1132890 is 982311.

1132890 = 474² + 475² + ... + 478².

It is a self number, because there is not a number n which added to its sum of digits gives 1132890.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1387 + ... + 2046.

It is an arithmetic number, because the mean of its divisors is an integer number (92718).

2^1132890 is an apocalyptic number.

1132890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1132890 is an abundant number, since it is smaller than the sum of its proper divisors (1834086).

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

1132890 is a wasteful number, since it uses less digits than its factorization.

1132890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1132890 is about 1064.3730549013. The cubic root of 1132890 is about 104.2467636396.

It can be divided in two parts, 113 and 2890, that added together give a palindrome (3003).

The spelling of 1132890 in words is "one million, one hundred thirty-two thousand, eight hundred ninety".