1039220 has 48 divisors (see below), whose sum is σ = 2690688. Its totient is φ = 328320.

The previous prime is 1039187. The next prime is 1039229. The reversal of 1039220 is 229301.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1039229) 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, 1535 + ... + 2105.

It is an arithmetic number, because the mean of its divisors is an integer number (56056).

2^1039220 is an apocalyptic number.

1039220 is a gapful number since it is divisible by the number (10) 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 1039220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345344).

1039220 is an abundant number, since it is smaller than the sum of its proper divisors (1651468).

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

1039220 is a wasteful number, since it uses less digits than its factorization.

1039220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1039220 is about 1019.4214045232. The cubic root of 1039220 is about 101.2906050620.

The spelling of 1039220 in words is "one million, thirty-nine thousand, two hundred twenty".