1162945 has 16 divisors (see below), whose sum is σ = 1612800. Its totient is φ = 788544.

The previous prime is 1162943. The next prime is 1162951. The reversal of 1162945 is 5492611.

It is a cyclic number.

It is not a de Polignac number, because 1162945 - 2¹ = 1162943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1162943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5104 + ... + 5326.

It is an arithmetic number, because the mean of its divisors is an integer number (100800).

2^1162945 is an apocalyptic number.

It is an amenable number.

1162945 is a deficient number, since it is larger than the sum of its proper divisors (449855).

1162945 is a wasteful number, since it uses less digits than its factorization.

1162945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384.

The product of its digits is 2160, while the sum is 28.

The square root of 1162945 is about 1078.3992767060. The cubic root of 1162945 is about 105.1606007917.

The spelling of 1162945 in words is "one million, one hundred sixty-two thousand, nine hundred forty-five".