1158151 has 4 divisors (see below), whose sum is σ = 1160712. Its totient is φ = 1155592.

The previous prime is 1158139. The next prime is 1158161. The reversal of 1158151 is 1518511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1518511 = 677 ⋅2243.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1158151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158121) 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, 400 + ... + 1573.

It is an arithmetic number, because the mean of its divisors is an integer number (290178).

2^1158151 is an apocalyptic number.

1158151 is a deficient number, since it is larger than the sum of its proper divisors (2561).

1158151 is an equidigital number, since it uses as much as digits as its factorization.

1158151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560.

The product of its digits is 200, while the sum is 22.

The square root of 1158151 is about 1076.1742423976. The cubic root of 1158151 is about 105.0159008421.

The spelling of 1158151 in words is "one million, one hundred fifty-eight thousand, one hundred fifty-one".