1190561 has 8 divisors (see below), whose sum is σ = 1283040. Its totient is φ = 1100608.

The previous prime is 1190533. The next prime is 1190573. The reversal of 1190561 is 1650911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1190561 is a prime.

It is a Duffinian number.

1190561 is a modest number, since divided by 561 gives 119 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1190591) 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, 410 + ... + 1596.

It is an arithmetic number, because the mean of its divisors is an integer number (160380).

2^1190561 is an apocalyptic number.

It is an amenable number.

1190561 is a deficient number, since it is larger than the sum of its proper divisors (92479).

1190561 is a wasteful number, since it uses less digits than its factorization.

1190561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263.

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 1190561 is about 1091.1283150941. The cubic root of 1190561 is about 105.9865000014.

It can be divided in two parts, 1190 and 561, that multiplied together give a triangular number (667590 = T₁₁₅₅).

The spelling of 1190561 in words is "one million, one hundred ninety thousand, five hundred sixty-one".