1220468 has 12 divisors (see below), whose sum is σ = 2143680. Its totient is φ = 607992.

The previous prime is 1220437. The next prime is 1220489. The reversal of 1220468 is 8640221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1523 + ... + 2181.

It is an arithmetic number, because the mean of its divisors is an integer number (178640).

2^1220468 is an apocalyptic number.

It is an amenable number.

1220468 is a deficient number, since it is larger than the sum of its proper divisors (923212).

1220468 is a wasteful number, since it uses less digits than its factorization.

1220468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1220468 is about 1104.7479350512. The cubic root of 1220468 is about 106.8666344352.

Adding to 1220468 its reverse (8640221), we get a palindrome (9860689).

The spelling of 1220468 in words is "one million, two hundred twenty thousand, four hundred sixty-eight".