1288092 has 48 divisors (see below), whose sum is σ = 3386880. Its totient is φ = 378048.

The previous prime is 1288061. The next prime is 1288099. The reversal of 1288092 is 2908821.

It is a super-3 number, since 3×1288092³ = 6411533319749024064, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1288099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3409 + ... + 3767.

It is an arithmetic number, because the mean of its divisors is an integer number (70560).

2^1288092 is an apocalyptic number.

1288092 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 1288092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1693440).

1288092 is an abundant number, since it is smaller than the sum of its proper divisors (2098788).

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

1288092 is a wasteful number, since it uses less digits than its factorization.

1288092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1288092 is about 1134.9414081793. The cubic root of 1288092 is about 108.8050269808.

The spelling of 1288092 in words is "one million, two hundred eighty-eight thousand, ninety-two".