1220425026 has 8 divisors (see below), whose sum is σ = 2440850064. Its totient is φ = 406808340.

The previous prime is 1220425021. The next prime is 1220425051. The reversal of 1220425026 is 6205240221.

It is a happy number.

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

1220425026 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1220424987 and 1220425005.

It is not an unprimeable number, because it can be changed into a prime (1220425021) 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, 101702080 + ... + 101702091.

It is an arithmetic number, because the mean of its divisors is an integer number (305106258).

Almost surely, 2^1220425026 is an apocalyptic number.

1220425026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220425026 is a wasteful number, since it uses less digits than its factorization.

1220425026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203404176.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1220425026 is about 34934.5820928203. The cubic root of 1220425026 is about 1068.6538012384.

Adding to 1220425026 its reverse (6205240221), we get a palindrome (7425665247).

The spelling of 1220425026 in words is "one billion, two hundred twenty million, four hundred twenty-five thousand, twenty-six".