1137090 has 32 divisors (see below), whose sum is σ = 2825280. Its totient is φ = 292544.

The previous prime is 1137067. The next prime is 1137091. The reversal of 1137090 is 907311.

It is not an unprimeable number, because it can be changed into a prime (1137091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217 + ... + 1523.

It is an arithmetic number, because the mean of its divisors is an integer number (88290).

2^1137090 is an apocalyptic number.

1137090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1137090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1412640).

1137090 is an abundant number, since it is smaller than the sum of its proper divisors (1688190).

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

1137090 is a wasteful number, since it uses less digits than its factorization.

1137090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 1137090 is about 1066.3442220972. The cubic root of 1137090 is about 104.3754305742.

The spelling of 1137090 in words is "one million, one hundred thirty-seven thousand, ninety".