1156133 has 8 divisors (see below), whose sum is σ = 1282656. Its totient is φ = 1033200.

The previous prime is 1156121. The next prime is 1156151. The reversal of 1156133 is 3316511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1156133 - 2¹² = 1152037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191 + ... + 1532.

It is an arithmetic number, because the mean of its divisors is an integer number (160332).

2^1156133 is an apocalyptic number.

It is an amenable number.

1156133 is a deficient number, since it is larger than the sum of its proper divisors (126523).

1156133 is a wasteful number, since it uses less digits than its factorization.

1156133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795.

The product of its digits is 270, while the sum is 20.

The square root of 1156133 is about 1075.2362531091. The cubic root of 1156133 is about 104.9548710069.

The spelling of 1156133 in words is "one million, one hundred fifty-six thousand, one hundred thirty-three".