1151040201 has 4 divisors (see below), whose sum is σ = 1534720272. Its totient is φ = 767360132.

The previous prime is 1151040193. The next prime is 1151040203. The reversal of 1151040201 is 1020401511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1151040201 - 2³ = 1151040193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1151040203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191840031 + ... + 191840036.

It is an arithmetic number, because the mean of its divisors is an integer number (383680068).

Almost surely, 2^1151040201 is an apocalyptic number.

It is an amenable number.

1151040201 is a deficient number, since it is larger than the sum of its proper divisors (383680071).

1151040201 is an equidigital number, since it uses as much as digits as its factorization.

1151040201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383680070.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1151040201 is about 33926.9833760681. The cubic root of 1151040201 is about 1048.0053442733.

Adding to 1151040201 its reverse (1020401511), we get a palindrome (2171441712).

The spelling of 1151040201 in words is "one billion, one hundred fifty-one million, forty thousand, two hundred one".