1152251039 has 4 divisors (see below), whose sum is σ = 1153786080. Its totient is φ = 1150716000.

The previous prime is 1152251011. The next prime is 1152251047. The reversal of 1152251039 is 9301522511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1152251039 - 2⁸ = 1152250783 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 (1152251839) 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, 766394 + ... + 767895.

It is an arithmetic number, because the mean of its divisors is an integer number (288446520).

Almost surely, 2^1152251039 is an apocalyptic number.

1152251039 is a deficient number, since it is larger than the sum of its proper divisors (1535041).

1152251039 is an equidigital number, since it uses as much as digits as its factorization.

1152251039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535040.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 1152251039 is about 33944.8234492389. The cubic root of 1152251039 is about 1048.3726989469.

The spelling of 1152251039 in words is "one billion, one hundred fifty-two million, two hundred fifty-one thousand, thirty-nine".