1156490303 has 6 divisors (see below), whose sum is σ = 1158682824. Its totient is φ = 1154301764.

The previous prime is 1156490261. The next prime is 1156490323. The reversal of 1156490303 is 3030946511.

It is not a de Polignac number, because 1156490303 - 2¹⁶ = 1156424767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1156490303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156490323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 432950 + ... + 435612.

It is an arithmetic number, because the mean of its divisors is an integer number (193113804).

Almost surely, 2^1156490303 is an apocalyptic number.

1156490303 is a deficient number, since it is larger than the sum of its proper divisors (2192521).

1156490303 is an frugal number, since it uses more digits than its factorization.

1156490303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981 (or 3322 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 1156490303 is about 34007.2095738536. The cubic root of 1156490303 is about 1049.6568199719.

The spelling of 1156490303 in words is "one billion, one hundred fifty-six million, four hundred ninety thousand, three hundred three".