1152272709 has 56 divisors (see below), whose sum is σ = 1983139200. Its totient is φ = 655540128.

The previous prime is 1152272707. The next prime is 1152272711. The reversal of 1152272709 is 9072722511.

It is an interprime number because it is at equal distance from previous prime (1152272707) and next prime (1152272711).

It is not a de Polignac number, because 1152272709 - 2¹ = 1152272707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152272701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1780624 + ... + 1781270.

It is an arithmetic number, because the mean of its divisors is an integer number (35413200).

Almost surely, 2^1152272709 is an apocalyptic number.

It is an amenable number.

1152272709 is a deficient number, since it is larger than the sum of its proper divisors (830866491).

1152272709 is an frugal number, since it uses more digits than its factorization.

1152272709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 1152272709 is about 33945.1426422102. The cubic root of 1152272709 is about 1048.3792710373.

The spelling of 1152272709 in words is "one billion, one hundred fifty-two million, two hundred seventy-two thousand, seven hundred nine".