1290234 has 32 divisors (see below), whose sum is σ = 2856384. Its totient is φ = 385280.

The previous prime is 1290209. The next prime is 1290257. The reversal of 1290234 is 4320921.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1290234.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7372 + ... + 7544.

It is an arithmetic number, because the mean of its divisors is an integer number (89262).

2^1290234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1290234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1428192).

1290234 is an abundant number, since it is smaller than the sum of its proper divisors (1566150).

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

1290234 is a wasteful number, since it uses less digits than its factorization.

1290234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1290234 is about 1135.8846772450. The cubic root of 1290234 is about 108.8653051027.

The spelling of 1290234 in words is "one million, two hundred ninety thousand, two hundred thirty-four".