1220048 has 10 divisors (see below), whose sum is σ = 2363874. Its totient is φ = 610016.

The previous prime is 1220041. The next prime is 1220071. The reversal of 1220048 is 8400221.

It can be written as a sum of positive squares in only one way, i.e., 937024 + 283024 = 968^2 + 532^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38111 + ... + 38142.

2^1220048 is an apocalyptic number.

It is an amenable number.

1220048 is a deficient number, since it is larger than the sum of its proper divisors (1143826).

1220048 is an equidigital number, since it uses as much as digits as its factorization.

1220048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76261 (or 76255 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1220048 is about 1104.5578300841. The cubic root of 1220048 is about 106.8543743470.

Adding to 1220048 its reverse (8400221), we get a palindrome (9620269).

The spelling of 1220048 in words is "one million, two hundred twenty thousand, forty-eight".