1220162 has 4 divisors (see below), whose sum is σ = 1830246. Its totient is φ = 610080.

The previous prime is 1220147. The next prime is 1220171. The reversal of 1220162 is 2610221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 674041 + 546121 = 821^2 + 739^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305039 + ... + 305042.

2^1220162 is an apocalyptic number.

1220162 is a deficient number, since it is larger than the sum of its proper divisors (610084).

1220162 is an equidigital number, since it uses as much as digits as its factorization.

1220162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610083.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1220162 is about 1104.6094332387. The cubic root of 1220162 is about 106.8577023634.

Adding to 1220162 its reverse (2610221), we get a palindrome (3830383).

The spelling of 1220162 in words is "one million, two hundred twenty thousand, one hundred sixty-two".