1220592 has 40 divisors (see below), whose sum is σ = 3214080. Its totient is φ = 399040.

The previous prime is 1220591. The next prime is 1220599. The reversal of 1220592 is 2950221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220591) 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, 2617 + ... + 3047.

It is an arithmetic number, because the mean of its divisors is an integer number (80352).

2^1220592 is an apocalyptic number.

1220592 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 1220592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607040).

1220592 is an abundant number, since it is smaller than the sum of its proper divisors (1993488).

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

1220592 is a wasteful number, since it uses less digits than its factorization.

1220592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1220592 is about 1104.8040550251. The cubic root of 1220592 is about 106.8702535425.

The spelling of 1220592 in words is "one million, two hundred twenty thousand, five hundred ninety-two".