1167645 has 32 divisors (see below), whose sum is σ = 2090880. Its totient is φ = 552960.

The previous prime is 1167637. The next prime is 1167653. The reversal of 1167645 is 5467611.

It is an interprime number because it is at equal distance from previous prime (1167637) and next prime (1167653).

It is not a de Polignac number, because 1167645 - 2³ = 1167637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4725 + ... + 4965.

It is an arithmetic number, because the mean of its divisors is an integer number (65340).

2^1167645 is an apocalyptic number.

1167645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1167645 is a deficient number, since it is larger than the sum of its proper divisors (923235).

1167645 is a wasteful number, since it uses less digits than its factorization.

1167645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285.

The product of its digits is 5040, while the sum is 30.

The square root of 1167645 is about 1080.5762351634. The cubic root of 1167645 is about 105.3020779544.

The spelling of 1167645 in words is "one million, one hundred sixty-seven thousand, six hundred forty-five".