1220123301 has 16 divisors (see below), whose sum is σ = 1635110400. Its totient is φ = 809286768.

The previous prime is 1220123291. The next prime is 1220123309. The reversal of 1220123301 is 1033210221.

It is not a de Polignac number, because 1220123301 - 2⁹ = 1220122789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220123309) 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, 771930 + ... + 773508.

It is an arithmetic number, because the mean of its divisors is an integer number (102194400).

Almost surely, 2^1220123301 is an apocalyptic number.

It is an amenable number.

1220123301 is a deficient number, since it is larger than the sum of its proper divisors (414987099).

1220123301 is a wasteful number, since it uses less digits than its factorization.

1220123301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1220123301 is about 34930.2633972319. The cubic root of 1220123301 is about 1068.5657264183.

Adding to 1220123301 its reverse (1033210221), we get a palindrome (2253333522).

The spelling of 1220123301 in words is "one billion, two hundred twenty million, one hundred twenty-three thousand, three hundred one".