1220810748 has 48 divisors (see below), whose sum is σ = 2874407424. Its totient is φ = 403260480.

The previous prime is 1220810737. The next prime is 1220810761. The reversal of 1220810748 is 8470180221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 842961 + ... + 844407.

It is an arithmetic number, because the mean of its divisors is an integer number (59883488).

Almost surely, 2^1220810748 is an apocalyptic number.

It is an amenable number.

1220810748 is an abundant number, since it is smaller than the sum of its proper divisors (1653596676).

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

1220810748 is a wasteful number, since it uses less digits than its factorization.

1220810748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042 (or 2040 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 1220810748 is about 34940.1022894897. The cubic root of 1220810748 is about 1068.7663740045.

Adding to 1220810748 its reverse (8470180221), we get a palindrome (9690990969).

The spelling of 1220810748 in words is "one billion, two hundred twenty million, eight hundred ten thousand, seven hundred forty-eight".