1220112623 has 8 divisors (see below), whose sum is σ = 1233678576. Its totient is φ = 1206576000.

The previous prime is 1220112617. The next prime is 1220112631. The reversal of 1220112623 is 3262110221.

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 1220112623 - 2²⁰ = 1219064047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220112595 and 1220112604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220112613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82343 + ... + 96023.

It is an arithmetic number, because the mean of its divisors is an integer number (154209822).

Almost surely, 2^1220112623 is an apocalyptic number.

1220112623 is a deficient number, since it is larger than the sum of its proper divisors (13565953).

1220112623 is a wasteful number, since it uses less digits than its factorization.

1220112623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14665.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1220112623 is about 34930.1105494958. The cubic root of 1220112623 is about 1068.5626091983.

Adding to 1220112623 its reverse (3262110221), we get a palindrome (4482222844).

The spelling of 1220112623 in words is "one billion, two hundred twenty million, one hundred twelve thousand, six hundred twenty-three".