1290852 has 36 divisors (see below), whose sum is σ = 3407040. Its totient is φ = 411312.

The previous prime is 1290847. The next prime is 1290853. The reversal of 1290852 is 2580921.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1290853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (94640).

2^1290852 is an apocalyptic number.

1290852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1290852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1703520).

1290852 is an abundant number, since it is smaller than the sum of its proper divisors (2116188).

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

1290852 is a wasteful number, since it uses less digits than its factorization.

1290852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592 (or 1587 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1290852 is about 1136.1566793361. The cubic root of 1290852 is about 108.8826838675.

The spelling of 1290852 in words is "one million, two hundred ninety thousand, eight hundred fifty-two".