1167272201 has 6 divisors (see below), whose sum is σ = 1231941402. Its totient is φ = 1105836480.

The previous prime is 1167272167. The next prime is 1167272221. The reversal of 1167272201 is 1022727611.

It can be written as a sum of positive squares in only one way, i.e., 629959801 + 537312400 = 25099^2 + 23180^2 .

It is not a de Polignac number, because 1167272201 - 2³⁰ = 93530377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1167272221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1616360 + ... + 1617081.

It is an arithmetic number, because the mean of its divisors is an integer number (205323567).

Almost surely, 2^1167272201 is an apocalyptic number.

It is an amenable number.

1167272201 is a deficient number, since it is larger than the sum of its proper divisors (64669201).

1167272201 is an equidigital number, since it uses as much as digits as its factorization.

1167272201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233479 (or 3233460 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 1167272201 is about 34165.3655183140. The cubic root of 1167272201 is about 1052.9087001363.

Adding to 1167272201 its reverse (1022727611), we get a palindrome (2189999812).

The spelling of 1167272201 in words is "one billion, one hundred sixty-seven million, two hundred seventy-two thousand, two hundred one".