1121353164 has 36 divisors (see below), whose sum is σ = 2839167240. Its totient is φ = 373173120.

The previous prime is 1121353141. The next prime is 1121353187. The reversal of 1121353164 is 4613531211.

It is a happy number.

1121353164 is a `hidden beast` number, since 1 + 121 + 3 + 531 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1121353141) and next prime (1121353187).

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2877 + ... + 47444.

Almost surely, 2^1121353164 is an apocalyptic number.

It is an amenable number.

1121353164 is an abundant number, since it is smaller than the sum of its proper divisors (1717814076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121353164 is a wasteful number, since it uses less digits than its factorization.

1121353164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50950 (or 50945 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1121353164 is about 33486.6117127428. The cubic root of 1121353164 is about 1038.9168839598.

Adding to 1121353164 its reverse (4613531211), we get a palindrome (5734884375).

The spelling of 1121353164 in words is "one billion, one hundred twenty-one million, three hundred fifty-three thousand, one hundred sixty-four".