1220076 has 96 divisors (see below), whose sum is σ = 3763200. Its totient is φ = 336960.

The previous prime is 1220071. The next prime is 1220077. The reversal of 1220076 is 6700221.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1220071) 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, 15405 + ... + 15483.

It is an arithmetic number, because the mean of its divisors is an integer number (39200).

2^1220076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1881600).

1220076 is an abundant number, since it is smaller than the sum of its proper divisors (2543124).

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

1220076 is a wasteful number, since it uses less digits than its factorization.

1220076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1220076 is about 1104.5705047664. The cubic root of 1220076 is about 106.8551917737.

Adding to 1220076 its reverse (6700221), we get a palindrome (7920297).

The spelling of 1220076 in words is "one million, two hundred twenty thousand, seventy-six".