1125411053 has 8 divisors (see below), whose sum is σ = 1219155000. Its totient is φ = 1038838944.

The previous prime is 1125411047. The next prime is 1125411109. The reversal of 1125411053 is 3501145211.

It can be written as a sum of positive squares in 4 ways, for example, as 62520649 + 1062890404 = 7907^2 + 32602^2 .

It is not a de Polignac number, because 1125411053 - 2⁴ = 1125411037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125416053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253928 + ... + 258321.

It is an arithmetic number, because the mean of its divisors is an integer number (152394375).

Almost surely, 2^1125411053 is an apocalyptic number.

1125411053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1125411053 is a deficient number, since it is larger than the sum of its proper divisors (93743947).

1125411053 is an frugal number, since it uses more digits than its factorization.

1125411053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512288 (or 512262 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1125411053 is about 33547.1467192070. The cubic root of 1125411053 is about 1040.1685664268.

Adding to 1125411053 its reverse (3501145211), we get a palindrome (4626556264).

The spelling of 1125411053 in words is "one billion, one hundred twenty-five million, four hundred eleven thousand, fifty-three".