1152855 has 48 divisors (see below), whose sum is σ = 2325024. Its totient is φ = 522240.

The previous prime is 1152841. The next prime is 1152857. The reversal of 1152855 is 5582511.

It is not a de Polignac number, because 1152855 - 2⁶ = 1152791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152857) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8347 + ... + 8483.

It is an arithmetic number, because the mean of its divisors is an integer number (48438).

2^1152855 is an apocalyptic number.

1152855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1152855 is an abundant number, since it is smaller than the sum of its proper divisors (1172169).

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

1152855 is a wasteful number, since it uses less digits than its factorization.

1152855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 173 counting only the distinct ones).

The product of its digits is 2000, while the sum is 27.

The square root of 1152855 is about 1073.7108549326. The cubic root of 1152855 is about 104.8555837750.

The spelling of 1152855 in words is "one million, one hundred fifty-two thousand, eight hundred fifty-five".