1125504153 has 30 divisors (see below), whose sum is σ = 1702653194. Its totient is φ = 740928384.

The previous prime is 1125504151. The next prime is 1125504157. The reversal of 1125504153 is 3514055211.

1125504153 is a `hidden beast` number, since 1 + 1 + 2 + 5 + 504 + 153 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1080305424 + 45198729 = 32868^2 + 6723^2 .

It is not a de Polignac number, because 1125504153 - 2¹ = 1125504151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125504151) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 557001 + ... + 559017.

Almost surely, 2^1125504153 is an apocalyptic number.

It is an amenable number.

1125504153 is a deficient number, since it is larger than the sum of its proper divisors (577149041).

1125504153 is an frugal number, since it uses more digits than its factorization.

1125504153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195 (or 2103 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1125504153 is about 33548.5342898911. The cubic root of 1125504153 is about 1040.1972483983.

Adding to 1125504153 its reverse (3514055211), we get a palindrome (4639559364).

The spelling of 1125504153 in words is "one billion, one hundred twenty-five million, five hundred four thousand, one hundred fifty-three".