1191560 has 16 divisors (see below), whose sum is σ = 2681100. Its totient is φ = 476608.

The previous prime is 1191559. The next prime is 1191563. The reversal of 1191560 is 651911.

It can be written as a sum of positive squares in 2 ways, for example, as 1036324 + 155236 = 1018^2 + 394^2 .

It is not an unprimeable number, because it can be changed into a prime (1191563) 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, 14855 + ... + 14934.

2^1191560 is an apocalyptic number.

1191560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1191560 is an abundant number, since it is smaller than the sum of its proper divisors (1489540).

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

1191560 is a wasteful number, since it uses less digits than its factorization.

1191560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29800 (or 29796 counting only the distinct ones).

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

The square root of 1191560 is about 1091.5860021089. The cubic root of 1191560 is about 106.0161361456.

The spelling of 1191560 in words is "one million, one hundred ninety-one thousand, five hundred sixty".