1125262464 has 32 divisors (see below), whose sum is σ = 2988979440. Its totient is φ = 375087360.

The previous prime is 1125262447. The next prime is 1125262471. The reversal of 1125262464 is 4642625211.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1125262464² = 2532431225774702592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1464802 + ... + 1465569.

Almost surely, 2^1125262464 is an apocalyptic number.

It is an amenable number.

1125262464 is an abundant number, since it is smaller than the sum of its proper divisors (1863716976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125262464 is an equidigital number, since it uses as much as digits as its factorization.

1125262464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930388 (or 2930376 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 1125262464 is about 33544.9320166251. The cubic root of 1125262464 is about 1040.1227862918.

Adding to 1125262464 its reverse (4642625211), we get a palindrome (5767887675).

The spelling of 1125262464 in words is "one billion, one hundred twenty-five million, two hundred sixty-two thousand, four hundred sixty-four".