1152870 has 32 divisors (see below), whose sum is σ = 2806272. Its totient is φ = 303072.

The previous prime is 1152857. The next prime is 1152881. The reversal of 1152870 is 782511.

It is a self number, because there is not a number n which added to its sum of digits gives 1152870.

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 15 ways as a sum of consecutive naturals, for example, 2259 + ... + 2721.

It is an arithmetic number, because the mean of its divisors is an integer number (87696).

2^1152870 is an apocalyptic number.

1152870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1152870 is an abundant number, since it is smaller than the sum of its proper divisors (1653402).

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

1152870 is a wasteful number, since it uses less digits than its factorization.

1152870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 1152870 is about 1073.7178400306. The cubic root of 1152870 is about 104.8560385378.

The spelling of 1152870 in words is "one million, one hundred fifty-two thousand, eight hundred seventy".