1125063569 has 24 divisors (see below), whose sum is σ = 1330243200. Its totient is φ = 948598560.

The previous prime is 1125063557. The next prime is 1125063593. The reversal of 1125063569 is 9653605211.

It is not a de Polignac number, because 1125063569 - 2²⁴ = 1108286353 is a prime.

It is a super-2 number, since 2×1125063569² = 2531536068582035522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125063539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1970054 + ... + 1970624.

It is an arithmetic number, because the mean of its divisors is an integer number (55426800).

Almost surely, 2^1125063569 is an apocalyptic number.

It is an amenable number.

1125063569 is a deficient number, since it is larger than the sum of its proper divisors (205179631).

1125063569 is an equidigital number, since it uses as much as digits as its factorization.

1125063569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173 (or 1166 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 1125063569 is about 33541.9672798123. The cubic root of 1125063569 is about 1040.0615006160.

The spelling of 1125063569 in words is "one billion, one hundred twenty-five million, sixty-three thousand, five hundred sixty-nine".