1220130123 has 8 divisors (see below), whose sum is σ = 1627008000. Its totient is φ = 813336168.

The previous prime is 1220130097. The next prime is 1220130127. The reversal of 1220130123 is 3210310221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1220130123 - 2³⁰ = 146388299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220130127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32218 + ... + 58976.

It is an arithmetic number, because the mean of its divisors is an integer number (203376000).

Almost surely, 2^1220130123 is an apocalyptic number.

1220130123 is a deficient number, since it is larger than the sum of its proper divisors (406877877).

1220130123 is a wasteful number, since it uses less digits than its factorization.

1220130123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41961.

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

The square root of 1220130123 is about 34930.3610488068. The cubic root of 1220130123 is about 1068.5677179497.

Adding to 1220130123 its reverse (3210310221), we get a palindrome (4430440344).

It can be divided in two parts, 12201 and 30123, that added together give a palindrome (42324).

The spelling of 1220130123 in words is "one billion, two hundred twenty million, one hundred thirty thousand, one hundred twenty-three".