1152949287 has 16 divisors (see below), whose sum is σ = 1758475520. Its totient is φ = 658228032.

The previous prime is 1152949247. The next prime is 1152949297. The reversal of 1152949287 is 7829492511.

It is a happy number.

It is not a de Polignac number, because 1152949287 - 2⁶ = 1152949223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152949247) 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, 862 + ... + 48027.

It is an arithmetic number, because the mean of its divisors is an integer number (109904720).

Almost surely, 2^1152949287 is an apocalyptic number.

1152949287 is a deficient number, since it is larger than the sum of its proper divisors (605526233).

1152949287 is a wasteful number, since it uses less digits than its factorization.

1152949287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50022.

The product of its digits is 362880, while the sum is 48.

The square root of 1152949287 is about 33955.1069354817. The cubic root of 1152949287 is about 1048.5844225788.

The spelling of 1152949287 in words is "one billion, one hundred fifty-two million, nine hundred forty-nine thousand, two hundred eighty-seven".