1220250683 has 8 divisors (see below), whose sum is σ = 1223898000. Its totient is φ = 1216610208.

The previous prime is 1220250679. The next prime is 1220250751. The reversal of 1220250683 is 3860520221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220250683 - 2² = 1220250679 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220250883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717368 + ... + 719066.

It is an arithmetic number, because the mean of its divisors is an integer number (152987250).

Almost surely, 2^1220250683 is an apocalyptic number.

1220250683 is a deficient number, since it is larger than the sum of its proper divisors (3647317).

1220250683 is a wasteful number, since it uses less digits than its factorization.

1220250683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1220250683 is about 34932.0867255307. The cubic root of 1220250683 is about 1068.6029115406.

The spelling of 1220250683 in words is "one billion, two hundred twenty million, two hundred fifty thousand, six hundred eighty-three".