1156012 has 48 divisors (see below), whose sum is σ = 2483712. Its totient is φ = 463680.

The previous prime is 1156009. The next prime is 1156013. The reversal of 1156012 is 2106511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1156013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24573 + ... + 24619.

It is an arithmetic number, because the mean of its divisors is an integer number (51744).

2^1156012 is an apocalyptic number.

It is an amenable number.

1156012 is an abundant number, since it is smaller than the sum of its proper divisors (1327700).

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

1156012 is a wasteful number, since it uses less digits than its factorization.

1156012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1156012 is about 1075.1799849328. The cubic root of 1156012 is about 104.9512093802.

The spelling of 1156012 in words is "one million, one hundred fifty-six thousand, twelve".