1202220 has 36 divisors (see below), whose sum is σ = 3647280. Its totient is φ = 320544.

The previous prime is 1202219. The next prime is 1202221. The reversal of 1202220 is 222021.

It is an interprime number because it is at equal distance from previous prime (1202219) and next prime (1202221).

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

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1202221) 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, 3160 + ... + 3519.

2^1202220 is an apocalyptic number.

1202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202220 is an abundant number, since it is smaller than the sum of its proper divisors (2445060).

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

1202220 is a wasteful number, since it uses less digits than its factorization.

1202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6694 (or 6689 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 1202220 is about 1096.4579335296. The cubic root of 1202220 is about 106.3313471610.

Adding to 1202220 its reverse (222021), we get a palindrome (1424241).

The spelling of 1202220 in words is "one million, two hundred two thousand, two hundred twenty".