1162623 has 24 divisors (see below), whose sum is σ = 1969920. Its totient is φ = 603120.

The previous prime is 1162621. The next prime is 1162631. The reversal of 1162623 is 3262611.

It is a happy number.

It is not a de Polignac number, because 1162623 - 2¹ = 1162621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1162623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1258 + ... + 1976.

It is an arithmetic number, because the mean of its divisors is an integer number (82080).

2^1162623 is an apocalyptic number.

1162623 is a deficient number, since it is larger than the sum of its proper divisors (807297).

1162623 is a wasteful number, since it uses less digits than its factorization.

1162623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747 (or 740 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 1162623 is about 1078.2499710179. The cubic root of 1162623 is about 105.1508941592.

The spelling of 1162623 in words is "one million, one hundred sixty-two thousand, six hundred twenty-three".