1151244201 has 8 divisors (see below), whose sum is σ = 1535262624. Its totient is φ = 767360960.

The previous prime is 1151244151. The next prime is 1151244221. The reversal of 1151244201 is 1024421511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1151244201 - 2¹¹ = 1151242153 is a prime.

It is a super-2 number, since 2×1151244201² = 2650726420672256802, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1151244221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11895 + ... + 49436.

It is an arithmetic number, because the mean of its divisors is an integer number (191907828).

Almost surely, 2^1151244201 is an apocalyptic number.

It is an amenable number.

1151244201 is a deficient number, since it is larger than the sum of its proper divisors (384018423).

1151244201 is an equidigital number, since it uses as much as digits as its factorization.

1151244201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67591.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1151244201 is about 33929.9896993795. The cubic root of 1151244201 is about 1048.0672536260.

Adding to 1151244201 its reverse (1024421511), we get a palindrome (2175665712).

The spelling of 1151244201 in words is "one billion, one hundred fifty-one million, two hundred forty-four thousand, two hundred one".