1163955 has 32 divisors (see below), whose sum is σ = 2064384. Its totient is φ = 556416.

The previous prime is 1163947. The next prime is 1163969. The reversal of 1163955 is 5593611.

It is not a de Polignac number, because 1163955 - 2³ = 1163947 is a prime.

It is a super-3 number, since 3×1163955³ = 4730748120333626625, which contains 333 as substring.

It is an Ulam 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, 9102 + ... + 9228.

It is an arithmetic number, because the mean of its divisors is an integer number (64512).

2^1163955 is an apocalyptic number.

1163955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1163955 is a deficient number, since it is larger than the sum of its proper divisors (900429).

1163955 is a wasteful number, since it uses less digits than its factorization.

1163955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195.

The product of its digits is 4050, while the sum is 30.

The square root of 1163955 is about 1078.8674617394. The cubic root of 1163955 is about 105.1910354421.

The spelling of 1163955 in words is "one million, one hundred sixty-three thousand, nine hundred fifty-five".