1295269888 has 60 divisors (see below), whose sum is σ = 2826350352. Its totient is φ = 588677120.

The previous prime is 1295269867. The next prime is 1295269897. The reversal of 1295269888 is 8889625921.

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, 176631 + ... + 183817.

Almost surely, 2^1295269888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1295269888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1413175176).

1295269888 is an abundant number, since it is smaller than the sum of its proper divisors (1531080464).

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

1295269888 is an frugal number, since it uses more digits than its factorization.

1295269888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7226 (or 7200 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 58.

The square root of 1295269888 is about 35989.8581269779. The cubic root of 1295269888 is about 1090.0675793468.

The spelling of 1295269888 in words is "one billion, two hundred ninety-five million, two hundred sixty-nine thousand, eight hundred eighty-eight".