1290288 has 20 divisors (see below), whose sum is σ = 3333368. Its totient is φ = 430080.

The previous prime is 1290287. The next prime is 1290293. The reversal of 1290288 is 8820921.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1290287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13393 + ... + 13488.

2^1290288 is an apocalyptic number.

It is an amenable number.

1290288 is an abundant number, since it is smaller than the sum of its proper divisors (2043080).

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

1290288 is a wasteful number, since it uses less digits than its factorization.

1290288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26892 (or 26886 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1290288 is about 1135.9084470150. The cubic root of 1290288 is about 108.8668238568.

The spelling of 1290288 in words is "one million, two hundred ninety thousand, two hundred eighty-eight".