1290424880 has 20 divisors (see below), whose sum is σ = 3000238032. Its totient is φ = 516169920.

The previous prime is 1290424859. The next prime is 1290424901. The reversal of 1290424880 is 884240921.

It is an interprime number because it is at equal distance from previous prime (1290424859) and next prime (1290424901).

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8065076 + ... + 8065235.

Almost surely, 2^1290424880 is an apocalyptic number.

1290424880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1290424880 is an abundant number, since it is smaller than the sum of its proper divisors (1709813152).

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

1290424880 is a wasteful number, since it uses less digits than its factorization.

1290424880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16130324 (or 16130318 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 1290424880 is about 35922.4843238883. The cubic root of 1290424880 is about 1088.7067342731.

The spelling of 1290424880 in words is "one billion, two hundred ninety million, four hundred twenty-four thousand, eight hundred eighty".