1162021201 has 12 divisors (see below), whose sum is σ = 1280683600. Its totient is φ = 1053554040.

The previous prime is 1162021193. The next prime is 1162021219. The reversal of 1162021201 is 1021202611.

It is not a de Polignac number, because 1162021201 - 2³ = 1162021193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1162021901) 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 11 ways as a sum of consecutive naturals, for example, 33190 + ... + 58528.

Almost surely, 2^1162021201 is an apocalyptic number.

1162021201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1162021201 is a deficient number, since it is larger than the sum of its proper divisors (118662399).

1162021201 is a wasteful number, since it uses less digits than its factorization.

1162021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25740 (or 25729 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1162021201 is about 34088.4320701319. The cubic root of 1162021201 is about 1051.3274822983.

Adding to 1162021201 its reverse (1021202611), we get a palindrome (2183223812).

The spelling of 1162021201 in words is "one billion, one hundred sixty-two million, twenty-one thousand, two hundred one".