1220630793 has 16 divisors (see below), whose sum is σ = 1707350400. Its totient is φ = 774623360.

The previous prime is 1220630743. The next prime is 1220630839. The reversal of 1220630793 is 3970360221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1220630793 - 2¹² = 1220626697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220630713) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 92628 + ... + 104981.

It is an arithmetic number, because the mean of its divisors is an integer number (106709400).

Almost surely, 2^1220630793 is an apocalyptic number.

It is an amenable number.

1220630793 is a deficient number, since it is larger than the sum of its proper divisors (486719607).

1220630793 is a wasteful number, since it uses less digits than its factorization.

1220630793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197712.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 1220630793 is about 34937.5270017785. The cubic root of 1220630793 is about 1068.7138571820.

The spelling of 1220630793 in words is "one billion, two hundred twenty million, six hundred thirty thousand, seven hundred ninety-three".