1162290 has 64 divisors (see below), whose sum is σ = 3079296. Its totient is φ = 279552.

The previous prime is 1162279. The next prime is 1162297. The reversal of 1162290 is 922611.

It is not an unprimeable number, because it can be changed into a prime (1162297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21904 + ... + 21956.

It is an arithmetic number, because the mean of its divisors is an integer number (48114).

2^1162290 is an apocalyptic number.

1162290 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 1162290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539648).

1162290 is an abundant number, since it is smaller than the sum of its proper divisors (1917006).

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

1162290 is a wasteful number, since it uses less digits than its factorization.

1162290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123.

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

The square root of 1162290 is about 1078.0955430758. The cubic root of 1162290 is about 105.1408540483.

The spelling of 1162290 in words is "one million, one hundred sixty-two thousand, two hundred ninety".