1183220 has 24 divisors (see below), whose sum is σ = 2524704. Its totient is φ = 465696.

The previous prime is 1183213. The next prime is 1183241. The reversal of 1183220 is 223811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899 + ... + 1781.

It is an arithmetic number, because the mean of its divisors is an integer number (105196).

2^1183220 is an apocalyptic number.

1183220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1183220 is an abundant number, since it is smaller than the sum of its proper divisors (1341484).

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

1183220 is a wasteful number, since it uses less digits than its factorization.

1183220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1183220 is about 1087.7591645213. The cubic root of 1183220 is about 105.7682131201.

The spelling of 1183220 in words is "one million, one hundred eighty-three thousand, two hundred twenty".