1145791 has 8 divisors (see below), whose sum is σ = 1234944. Its totient is φ = 1059960.

The previous prime is 1145789. The next prime is 1145797. The reversal of 1145791 is 1975411.

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 1145791 - 2¹ = 1145789 is a prime.

It is a Duffinian number.

1145791 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145797) 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, 91 + ... + 1516.

It is an arithmetic number, because the mean of its divisors is an integer number (154368).

2^1145791 is an apocalyptic number.

1145791 is a deficient number, since it is larger than the sum of its proper divisors (89153).

1145791 is a wasteful number, since it uses less digits than its factorization.

1145791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661.

The product of its digits is 1260, while the sum is 28.

The square root of 1145791 is about 1070.4162741663. The cubic root of 1145791 is about 104.6409809357.

It can be divided in two parts, 1145 and 791, that added together give a square (1936 = 44²).

The spelling of 1145791 in words is "one million, one hundred forty-five thousand, seven hundred ninety-one".