1152040251 has 8 divisors (see below), whose sum is σ = 1577568784. Its totient is φ = 747269280.

The previous prime is 1152040237. The next prime is 1152040289. The reversal of 1152040251 is 1520402511.

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

It is not a de Polignac number, because 1152040251 - 2⁹ = 1152039739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152040291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5189260 + ... + 5189481.

It is an arithmetic number, because the mean of its divisors is an integer number (197196098).

Almost surely, 2^1152040251 is an apocalyptic number.

1152040251 is a deficient number, since it is larger than the sum of its proper divisors (425528533).

1152040251 is a wasteful number, since it uses less digits than its factorization.

1152040251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10378781.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1152040251 is about 33941.7184450051. The cubic root of 1152040251 is about 1048.3087667383.

Adding to 1152040251 its reverse (1520402511), we get a palindrome (2672442762).

The spelling of 1152040251 in words is "one billion, one hundred fifty-two million, forty thousand, two hundred fifty-one".