1190881 has 4 divisors (see below), whose sum is σ = 1193152. Its totient is φ = 1188612.

The previous prime is 1190873. The next prime is 1190897. The reversal of 1190881 is 1880911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1190881 - 2³ = 1190873 is a prime.

It is a super-2 number, since 2×1190881² = 2836395112322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1190821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100 + ... + 1546.

It is an arithmetic number, because the mean of its divisors is an integer number (298288).

2^1190881 is an apocalyptic number.

It is an amenable number.

1190881 is a deficient number, since it is larger than the sum of its proper divisors (2271).

1190881 is an equidigital number, since it uses as much as digits as its factorization.

1190881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270.

The product of its (nonzero) digits is 576, while the sum is 28.

The square root of 1190881 is about 1091.2749424412. The cubic root of 1190881 is about 105.9959948647.

The spelling of 1190881 in words is "one million, one hundred ninety thousand, eight hundred eighty-one".