1220514 has 8 divisors (see below), whose sum is σ = 2441040. Its totient is φ = 406836.

The previous prime is 1220507. The next prime is 1220591. The reversal of 1220514 is 4150221.

It is a sphenic number, since it is the product of 3 distinct primes.

1220514 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1220493 and 1220502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101704 + ... + 101715.

It is an arithmetic number, because the mean of its divisors is an integer number (305130).

2^1220514 is an apocalyptic number.

1220514 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1220514 is a wasteful number, since it uses less digits than its factorization.

1220514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203424.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1220514 is about 1104.7687540839. The cubic root of 1220514 is about 106.8679770359.

Adding to 1220514 its reverse (4150221), we get a palindrome (5370735).

The spelling of 1220514 in words is "one million, two hundred twenty thousand, five hundred fourteen".