1156167 has 8 divisors (see below), whose sum is σ = 1712880. Its totient is φ = 770760.

The previous prime is 1156157. The next prime is 1156171. The reversal of 1156167 is 7616511.

It is not a de Polignac number, because 1156167 - 2⁴ = 1156151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 42821 = 1156167 / (1 + 1 + 5 + 6 + 1 + 6 + 7).

1156167 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1156167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156157) 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, 21384 + ... + 21437.

It is an arithmetic number, because the mean of its divisors is an integer number (214110).

2^1156167 is an apocalyptic number.

1156167 is a deficient number, since it is larger than the sum of its proper divisors (556713).

1156167 is an equidigital number, since it uses as much as digits as its factorization.

1156167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42830 (or 42824 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 1156167 is about 1075.2520634716. The cubic root of 1156167 is about 104.9558998478.

It can be divided in two parts, 11561 and 67, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 1156167 in words is "one million, one hundred fifty-six thousand, one hundred sixty-seven".