1161774201 has 16 divisors (see below), whose sum is σ = 1771352064. Its totient is φ = 663484944.

The previous prime is 1161774193. The next prime is 1161774239. The reversal of 1161774201 is 1024771611.

It is not a de Polignac number, because 1161774201 - 2³ = 1161774193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1161774241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23110 + ... + 53456.

It is an arithmetic number, because the mean of its divisors is an integer number (110709504).

Almost surely, 2^1161774201 is an apocalyptic number.

It is an amenable number.

1161774201 is a deficient number, since it is larger than the sum of its proper divisors (609577863).

1161774201 is a wasteful number, since it uses less digits than its factorization.

1161774201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32180.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 1161774201 is about 34084.8089476823. The cubic root of 1161774201 is about 1051.2529867299.

The spelling of 1161774201 in words is "one billion, one hundred sixty-one million, seven hundred seventy-four thousand, two hundred one".