1290485 has 8 divisors (see below), whose sum is σ = 1769856. Its totient is φ = 884880.

The previous prime is 1290469. The next prime is 1290491. The reversal of 1290485 is 5840921.

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

It is not a de Polignac number, because 1290485 - 2⁴ = 1290469 is a prime.

It is a super-3 number, since 3×1290485³ = 6447333527804502375, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18401 + ... + 18470.

It is an arithmetic number, because the mean of its divisors is an integer number (221232).

2^1290485 is an apocalyptic number.

It is an amenable number.

1290485 is a deficient number, since it is larger than the sum of its proper divisors (479371).

1290485 is an equidigital number, since it uses as much as digits as its factorization.

1290485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36883.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1290485 is about 1135.9951584404. The cubic root of 1290485 is about 108.8723641374.

The spelling of 1290485 in words is "one million, two hundred ninety thousand, four hundred eighty-five".