1226210125 has 32 divisors (see below), whose sum is σ = 1840999680. Its totient is φ = 796564800.

The previous prime is 1226210107. The next prime is 1226210197. The reversal of 1226210125 is 5210126221.

It is not a de Polignac number, because 1226210125 - 2⁹ = 1226209613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1226210096 and 1226210105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20254 + ... + 53503.

It is an arithmetic number, because the mean of its divisors is an integer number (57531240).

Almost surely, 2^1226210125 is an apocalyptic number.

It is an amenable number.

1226210125 is a deficient number, since it is larger than the sum of its proper divisors (614789555).

1226210125 is an equidigital number, since it uses as much as digits as its factorization.

1226210125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73798 (or 73788 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1226210125 is about 35017.2832327124. The cubic root of 1226210125 is about 1070.3396962028.

Adding to 1226210125 its reverse (5210126221), we get a palindrome (6436336346).

The spelling of 1226210125 in words is "one billion, two hundred twenty-six million, two hundred ten thousand, one hundred twenty-five".