1145560 has 32 divisors (see below), whose sum is σ = 2777040. Its totient is φ = 422784.

The previous prime is 1145539. The next prime is 1145593. The reversal of 1145560 is 655411.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582 + ... + 1621.

2^1145560 is an apocalyptic number.

1145560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145560 is an abundant number, since it is smaller than the sum of its proper divisors (1631480).

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

1145560 is a wasteful number, since it uses less digits than its factorization.

1145560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227 (or 2223 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1145560 is about 1070.3083667803. The cubic root of 1145560 is about 104.6339483294.

The spelling of 1145560 in words is "one million, one hundred forty-five thousand, five hundred sixty".