1152520756 has 6 divisors (see below), whose sum is σ = 2016911330. Its totient is φ = 576260376.

The previous prime is 1152520751. The next prime is 1152520769. The reversal of 1152520756 is 6570252511.

It can be written as a sum of positive squares in only one way, i.e., 1124260900 + 28259856 = 33530^2 + 5316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152520751) 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 as a sum of consecutive naturals, namely, 144065091 + ... + 144065098.

Almost surely, 2^1152520756 is an apocalyptic number.

It is an amenable number.

1152520756 is a deficient number, since it is larger than the sum of its proper divisors (864390574).

1152520756 is a wasteful number, since it uses less digits than its factorization.

1152520756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288130193 (or 288130191 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 1152520756 is about 33948.7960905832. The cubic root of 1152520756 is about 1048.4544930090.

The spelling of 1152520756 in words is "one billion, one hundred fifty-two million, five hundred twenty thousand, seven hundred fifty-six".