1180090 has 16 divisors (see below), whose sum is σ = 2236320. Its totient is φ = 447120.

The previous prime is 1180087. The next prime is 1180093. The reversal of 1180090 is 900811.

It is an interprime number because it is at equal distance from previous prime (1180087) and next prime (1180093).

It is a super-2 number, since 2×1180090² = 2785224816200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (1180093) 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, 2916 + ... + 3295.

It is an arithmetic number, because the mean of its divisors is an integer number (139770).

2^1180090 is an apocalyptic number.

1180090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1180090 is a deficient number, since it is larger than the sum of its proper divisors (1056230).

1180090 is a wasteful number, since it uses less digits than its factorization.

1180090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6237.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1180090 is about 1086.3194741880. The cubic root of 1180090 is about 105.6748670384.

The spelling of 1180090 in words is "one million, one hundred eighty thousand, ninety".