1295501328 has 60 divisors (see below), whose sum is σ = 3955209648. Its totient is φ = 392575680.

The previous prime is 1295501321. The next prime is 1295501341. The reversal of 1295501328 is 8231055921.

1295501328 is a `hidden beast` number, since 129 + 5 + 501 + 3 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1295501292 and 1295501301.

It is not an unprimeable number, because it can be changed into a prime (1295501321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 407350 + ... + 410517.

Almost surely, 2^1295501328 is an apocalyptic number.

1295501328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1295501328 is an abundant number, since it is smaller than the sum of its proper divisors (2659708320).

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

1295501328 is a wasteful number, since it uses less digits than its factorization.

1295501328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817892 (or 817883 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 1295501328 is about 35993.0733336291. The cubic root of 1295501328 is about 1090.1325002353.

The spelling of 1295501328 in words is "one billion, two hundred ninety-five million, five hundred one thousand, three hundred twenty-eight".