1190090 has 32 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 417600.

The previous prime is 1190081. The next prime is 1190143. The reversal of 1190090 is 900911.

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, 3236 + ... + 3584.

It is an arithmetic number, because the mean of its divisors is an integer number (75600).

2^1190090 is an apocalyptic number.

1190090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1190090 is an abundant number, since it is smaller than the sum of its proper divisors (1229110).

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

1190090 is a wasteful number, since it uses less digits than its factorization.

1190090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398.

The product of its (nonzero) digits is 81, while the sum is 20.

The square root of 1190090 is about 1090.9124621160. The cubic root of 1190090 is about 105.9725216540.

It can be divided in two parts, 1 and 190090, that added together give a palindrome (190091).

The spelling of 1190090 in words is "one million, one hundred ninety thousand, ninety".