1131752603 has 4 divisors (see below), whose sum is σ = 1131990288. Its totient is φ = 1131514920.

The previous prime is 1131752549. The next prime is 1131752617. The reversal of 1131752603 is 3062571311.

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 1131752603 - 2⁶ = 1131752539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131752663) 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, 111551 + ... + 121272.

It is an arithmetic number, because the mean of its divisors is an integer number (282997572).

Almost surely, 2^1131752603 is an apocalyptic number.

1131752603 is a deficient number, since it is larger than the sum of its proper divisors (237685).

1131752603 is an equidigital number, since it uses as much as digits as its factorization.

1131752603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237684.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 1131752603 is about 33641.5309253310. The cubic root of 1131752603 is about 1042.1186479421.

The spelling of 1131752603 in words is "one billion, one hundred thirty-one million, seven hundred fifty-two thousand, six hundred three".