1220207193 has 16 divisors (see below), whose sum is σ = 1809388800. Its totient is φ = 812718000.

The previous prime is 1220207179. The next prime is 1220207221. The reversal of 1220207193 is 3917020221.

It is not a de Polignac number, because 1220207193 - 2¹⁸ = 1219945049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (1220200193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9568 + ... + 50318.

It is an arithmetic number, because the mean of its divisors is an integer number (113086800).

Almost surely, 2^1220207193 is an apocalyptic number.

It is an amenable number.

1220207193 is a deficient number, since it is larger than the sum of its proper divisors (589181607).

1220207193 is a wasteful number, since it uses less digits than its factorization.

1220207193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41869 (or 41863 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1220207193 is about 34931.4642263962. The cubic root of 1220207193 is about 1068.5902163097.

The spelling of 1220207193 in words is "one billion, two hundred twenty million, two hundred seven thousand, one hundred ninety-three".