1290873 has 8 divisors (see below), whose sum is σ = 1729600. Its totient is φ = 856368.

The previous prime is 1290869. The next prime is 1290901. The reversal of 1290873 is 3780921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1290873 - 2² = 1290869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1290873.

It is not an unprimeable number, because it can be changed into a prime (1290823) 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, 253 + ... + 1626.

It is an arithmetic number, because the mean of its divisors is an integer number (216200).

2^1290873 is an apocalyptic number.

It is an amenable number.

1290873 is a deficient number, since it is larger than the sum of its proper divisors (438727).

1290873 is a wasteful number, since it uses less digits than its factorization.

1290873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1290873 is about 1136.1659209816. The cubic root of 1290873 is about 108.8832743106.

The spelling of 1290873 in words is "one million, two hundred ninety thousand, eight hundred seventy-three".