1156006 has 8 divisors (see below), whose sum is σ = 1747080. Its totient is φ = 573648.

The previous prime is 1155997. The next prime is 1156009. The reversal of 1156006 is 6006511.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156009) 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, 1836 + ... + 2383.

It is an arithmetic number, because the mean of its divisors is an integer number (218385).

2^1156006 is an apocalyptic number.

1156006 is a deficient number, since it is larger than the sum of its proper divisors (591074).

1156006 is a wasteful number, since it uses less digits than its factorization.

1156006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4358.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1156006 is about 1075.1771946986. The cubic root of 1156006 is about 104.9510278053.

The spelling of 1156006 in words is "one million, one hundred fifty-six thousand, six".