1125525453 has 8 divisors (see below), whose sum is σ = 1616139168. Its totient is φ = 692631024.

The previous prime is 1125525433. The next prime is 1125525469. The reversal of 1125525453 is 3545255211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1125525453 - 2⁵ = 1125525421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125525413) 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, 14429775 + ... + 14429852.

It is an arithmetic number, because the mean of its divisors is an integer number (202017396).

Almost surely, 2^1125525453 is an apocalyptic number.

1125525453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1125525453 is a deficient number, since it is larger than the sum of its proper divisors (490613715).

1125525453 is a wasteful number, since it uses less digits than its factorization.

1125525453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28859643.

The product of its digits is 30000, while the sum is 33.

The square root of 1125525453 is about 33548.8517389195. The cubic root of 1125525453 is about 1040.2038102167.

The spelling of 1125525453 in words is "one billion, one hundred twenty-five million, five hundred twenty-five thousand, four hundred fifty-three".