1220976 has 60 divisors (see below), whose sum is σ = 3498040. Its totient is φ = 397440.

The previous prime is 1220969. The next prime is 1220981. The reversal of 1220976 is 6790221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8715 + ... + 8853.

2^1220976 is an apocalyptic number.

1220976 is a gapful number since it is divisible by the number (16) 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 1220976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1749020).

1220976 is an abundant number, since it is smaller than the sum of its proper divisors (2277064).

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

1220976 is a wasteful number, since it uses less digits than its factorization.

1220976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1220976 is about 1104.9778278319. The cubic root of 1220976 is about 106.8814595460.

The spelling of 1220976 in words is "one million, two hundred twenty thousand, nine hundred seventy-six".