1127145803 has 16 divisors (see below), whose sum is σ = 1309478400. Its totient is φ = 950208000.

The previous prime is 1127145791. The next prime is 1127145809. The reversal of 1127145803 is 3085417211.

It is a de Polignac number, because none of the positive numbers 2^k-1127145803 is a prime.

It is a super-2 number, since 2×1127145803² = 2540915322441029618, which contains 22 as substring.

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 1127145803.

It is not an unprimeable number, because it can be changed into a prime (1127145809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220628 + ... + 225678.

It is an arithmetic number, because the mean of its divisors is an integer number (81842400).

Almost surely, 2^1127145803 is an apocalyptic number.

1127145803 is a deficient number, since it is larger than the sum of its proper divisors (182332597).

1127145803 is an equidigital number, since it uses as much as digits as its factorization.

1127145803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5578.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1127145803 is about 33572.9921663232. The cubic root of 1127145803 is about 1040.7027434191.

The spelling of 1127145803 in words is "one billion, one hundred twenty-seven million, one hundred forty-five thousand, eight hundred three".