1162791 has 12 divisors (see below), whose sum is σ = 1919632. Its totient is φ = 664416.

The previous prime is 1162789. The next prime is 1162793. The reversal of 1162791 is 1972611.

It is an interprime number because it is at equal distance from previous prime (1162789) and next prime (1162793).

It is not a de Polignac number, because 1162791 - 2¹ = 1162789 is a prime.

It is a Duffinian number.

1162791 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9166 + ... + 9291.

2^1162791 is an apocalyptic number.

1162791 is a deficient number, since it is larger than the sum of its proper divisors (756841).

1162791 is a wasteful number, since it uses less digits than its factorization.

1162791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18470 (or 18467 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 1162791 is about 1078.3278722170. The cubic root of 1162791 is about 105.1559587127.

It can be divided in two parts, 1162 and 791, that added together give a triangular number (1953 = T₆₂).

The spelling of 1162791 in words is "one million, one hundred sixty-two thousand, seven hundred ninety-one".