1290367328 has 24 divisors (see below), whose sum is σ = 2594464992. Its totient is φ = 631455616.

The previous prime is 1290367327. The next prime is 1290367339. The reversal of 1290367328 is 8237630921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290367327) 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, 427475 + ... + 430482.

It is an arithmetic number, because the mean of its divisors is an integer number (108102708).

Almost surely, 2^1290367328 is an apocalyptic number.

It is an amenable number.

1290367328 is an abundant number, since it is smaller than the sum of its proper divisors (1304097664).

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

1290367328 is an equidigital number, since it uses as much as digits as its factorization.

1290367328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858014 (or 858006 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 1290367328 is about 35921.6832567740. The cubic root of 1290367328 is about 1088.6905488594.

The spelling of 1290367328 in words is "one billion, two hundred ninety million, three hundred sixty-seven thousand, three hundred twenty-eight".