1220060623 has 4 divisors (see below), whose sum is σ = 1284274360. Its totient is φ = 1155846888.

The previous prime is 1220060617. The next prime is 1220060701. The reversal of 1220060623 is 3260600221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1220060623 - 2⁹ = 1220060111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220060594 and 1220060603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220060603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32106840 + ... + 32106877.

It is an arithmetic number, because the mean of its divisors is an integer number (321068590).

Almost surely, 2^1220060623 is an apocalyptic number.

1220060623 is a deficient number, since it is larger than the sum of its proper divisors (64213737).

1220060623 is an equidigital number, since it uses as much as digits as its factorization.

1220060623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64213736.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1220060623 is about 34929.3661980861. The cubic root of 1220060623 is about 1068.5474286202.

Adding to 1220060623 its reverse (3260600221), we get a palindrome (4480660844).

The spelling of 1220060623 in words is "one billion, two hundred twenty million, sixty thousand, six hundred twenty-three".