1294868288 has 56 divisors (see below), whose sum is σ = 3004913472. Its totient is φ = 542029824.

The previous prime is 1294868287. The next prime is 1294868303. The reversal of 1294868288 is 8828684921.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-3 number, since 3×1294868288³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1294868287) 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, 14345 + ... + 52872.

Almost surely, 2^1294868288 is an apocalyptic number.

It is an amenable number.

1294868288 is an abundant number, since it is smaller than the sum of its proper divisors (1710045184).

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

1294868288 is an equidigital number, since it uses as much as digits as its factorization.

1294868288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67279 (or 67269 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 56.

The square root of 1294868288 is about 35984.2783448550. The cubic root of 1294868288 is about 1089.9549087763.

The spelling of 1294868288 in words is "one billion, two hundred ninety-four million, eight hundred sixty-eight thousand, two hundred eighty-eight".