1125451504 has 10 divisors (see below), whose sum is σ = 2180562320. Its totient is φ = 562725744.

The previous prime is 1125451501. The next prime is 1125451511. The reversal of 1125451504 is 4051545211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125451501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35170344 + ... + 35170375.

It is an arithmetic number, because the mean of its divisors is an integer number (218056232).

Almost surely, 2^1125451504 is an apocalyptic number.

It is an amenable number.

1125451504 is a deficient number, since it is larger than the sum of its proper divisors (1055110816).

1125451504 is an equidigital number, since it uses as much as digits as its factorization.

1125451504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70340727 (or 70340721 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1125451504 is about 33547.7496115611. The cubic root of 1125451504 is about 1040.1810286450.

Adding to 1125451504 its reverse (4051545211), we get a palindrome (5176996715).

The spelling of 1125451504 in words is "one billion, one hundred twenty-five million, four hundred fifty-one thousand, five hundred four".