1125550283 has 16 divisors (see below), whose sum is σ = 1329997536. Its totient is φ = 939037440.

The previous prime is 1125550259. The next prime is 1125550289. The reversal of 1125550283 is 3820555211.

It is not a de Polignac number, because 1125550283 - 2¹⁶ = 1125484747 is a prime.

It is a super-2 number, since 2×1125550283² = 2533726879122760178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125550289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1991 + ... + 47487.

It is an arithmetic number, because the mean of its divisors is an integer number (83124846).

Almost surely, 2^1125550283 is an apocalyptic number.

1125550283 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1125550283 is a deficient number, since it is larger than the sum of its proper divisors (204447253).

1125550283 is a wasteful number, since it uses less digits than its factorization.

1125550283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45694.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 1125550283 is about 33549.2217942533. The cubic root of 1125550283 is about 1040.2114594057.

The spelling of 1125550283 in words is "one billion, one hundred twenty-five million, five hundred fifty thousand, two hundred eighty-three".