1171532201 has 16 divisors (see below), whose sum is σ = 1353437184. Its totient is φ = 993311424.

The previous prime is 1171532183. The next prime is 1171532207. The reversal of 1171532201 is 1022351711.

It is not a de Polignac number, because 1171532201 - 2⁶ = 1171532137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1171532207) 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, 329831 + ... + 333363.

It is an arithmetic number, because the mean of its divisors is an integer number (84589824).

Almost surely, 2^1171532201 is an apocalyptic number.

It is an amenable number.

1171532201 is a deficient number, since it is larger than the sum of its proper divisors (181904983).

1171532201 is a wasteful number, since it uses less digits than its factorization.

1171532201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 1171532201 is about 34227.6525779961. The cubic root of 1171532201 is about 1054.1880205798.

Adding to 1171532201 its reverse (1022351711), we get a palindrome (2193883912).

The spelling of 1171532201 in words is "one billion, one hundred seventy-one million, five hundred thirty-two thousand, two hundred one".