1152440503 has 4 divisors (see below), whose sum is σ = 1156076280. Its totient is φ = 1148804728.

The previous prime is 1152440501. The next prime is 1152440519. The reversal of 1152440503 is 3050442511.

It is a happy number.

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 1152440503 - 2¹ = 1152440501 is a prime.

It is a super-2 number, since 2×1152440503² = 2656238225909786018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152440501) 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, 1817413 + ... + 1818046.

It is an arithmetic number, because the mean of its divisors is an integer number (289019070).

Almost surely, 2^1152440503 is an apocalyptic number.

1152440503 is a deficient number, since it is larger than the sum of its proper divisors (3635777).

1152440503 is an equidigital number, since it uses as much as digits as its factorization.

1152440503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3635776.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1152440503 is about 33947.6140987846. The cubic root of 1152440503 is about 1048.4301569118.

The spelling of 1152440503 in words is "one billion, one hundred fifty-two million, four hundred forty thousand, five hundred three".