1049220 has 96 divisors (see below), whose sum is σ = 3427200. Its totient is φ = 266112.

The previous prime is 1049219. The next prime is 1049227. The reversal of 1049220 is 229401.

It is a super-2 number, since 2×1049220² = 2201725216800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1049193 and 1049202.

It is not an unprimeable number, because it can be changed into a prime (1049227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15627 + ... + 15693.

It is an arithmetic number, because the mean of its divisors is an integer number (35700).

2^1049220 is an apocalyptic number.

1049220 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 1049220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1713600).

1049220 is an abundant number, since it is smaller than the sum of its proper divisors (2377980).

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

1049220 is a wasteful number, since it uses less digits than its factorization.

1049220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1049220 is about 1024.3144048582. The cubic root of 1049220 is about 101.6144615371.

Subtracting from 1049220 its product of nonzero digits (144), we obtain a triangular number (1049076 = T₁₄₄₈).

The spelling of 1049220 in words is "one million, forty-nine thousand, two hundred twenty".