1125101003 has 16 divisors (see below), whose sum is σ = 1231727616. Its totient is φ = 1021416480.

The previous prime is 1125100981. The next prime is 1125101053. The reversal of 1125101003 is 3001015211.

It is a cyclic number.

It is not a de Polignac number, because 1125101003 - 2³⁰ = 51359179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125101053) 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 15 ways as a sum of consecutive naturals, for example, 448250 + ... + 450752.

It is an arithmetic number, because the mean of its divisors is an integer number (76982976).

Almost surely, 2^1125101003 is an apocalyptic number.

1125101003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1125101003 is a deficient number, since it is larger than the sum of its proper divisors (106626613).

1125101003 is a wasteful number, since it uses less digits than its factorization.

1125101003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 1125101003 is about 33542.5252925298. The cubic root of 1125101003 is about 1040.0730357362.

Adding to 1125101003 its reverse (3001015211), we get a palindrome (4126116214).

The spelling of 1125101003 in words is "one billion, one hundred twenty-five million, one hundred one thousand, three".