1152156 has 12 divisors (see below), whose sum is σ = 2688392. Its totient is φ = 384048.

The previous prime is 1152149. The next prime is 1152157. The reversal of 1152156 is 6512511.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152157) 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, 47995 + ... + 48018.

2^1152156 is an apocalyptic number.

It is an amenable number.

1152156 is an abundant number, since it is smaller than the sum of its proper divisors (1536236).

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

1152156 is a wasteful number, since it uses less digits than its factorization.

1152156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96020 (or 96018 counting only the distinct ones).

The product of its digits is 300, while the sum is 21.

The square root of 1152156 is about 1073.3852989491. The cubic root of 1152156 is about 104.8343874490.

Adding to 1152156 its reverse (6512511), we get a palindrome (7664667).

The spelling of 1152156 in words is "one million, one hundred fifty-two thousand, one hundred fifty-six".