1152975649 has 16 divisors (see below), whose sum is σ = 1443312000. Its totient is φ = 898055424.

The previous prime is 1152975643. The next prime is 1152975661. The reversal of 1152975649 is 9465792511.

It is a happy number.

It is not a de Polignac number, because 1152975649 - 2⁵ = 1152975617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152975643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163599 + ... + 170500.

It is an arithmetic number, because the mean of its divisors is an integer number (90207000).

Almost surely, 2^1152975649 is an apocalyptic number.

It is an amenable number.

1152975649 is a deficient number, since it is larger than the sum of its proper divisors (290336351).

1152975649 is a wasteful number, since it uses less digits than its factorization.

1152975649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334152.

The product of its digits is 680400, while the sum is 49.

The square root of 1152975649 is about 33955.4951222921. The cubic root of 1152975649 is about 1048.5924144226.

It can be divided in two parts, 11529 and 75649, that added together give a palindrome (87178).

The spelling of 1152975649 in words is "one billion, one hundred fifty-two million, nine hundred seventy-five thousand, six hundred forty-nine".