1220430125 has 16 divisors (see below), whose sum is σ = 1545840192. Its totient is φ = 961765200.

The previous prime is 1220430109. The next prime is 1220430131. The reversal of 1220430125 is 5210340221.

1220430125 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1220430125 - 2⁴ = 1220430109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220430097 and 1220430106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64487 + ... + 81236.

It is an arithmetic number, because the mean of its divisors is an integer number (96615012).

Almost surely, 2^1220430125 is an apocalyptic number.

It is an amenable number.

1220430125 is a deficient number, since it is larger than the sum of its proper divisors (325410067).

1220430125 is an equidigital number, since it uses as much as digits as its factorization.

1220430125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145805 (or 145795 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1220430125 is about 34934.6550720055. The cubic root of 1220430125 is about 1068.6552895336.

Adding to 1220430125 its reverse (5210340221), we get a palindrome (6430770346).

The spelling of 1220430125 in words is "one billion, two hundred twenty million, four hundred thirty thousand, one hundred twenty-five".