1225125130 has 64 divisors (see below), whose sum is σ = 2488008960. Its totient is φ = 432013824.

The previous prime is 1225125113. The next prime is 1225125163. The reversal of 1225125130 is 315215221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157902 + ... + 165478.

It is an arithmetic number, because the mean of its divisors is an integer number (38875140).

Almost surely, 2^1225125130 is an apocalyptic number.

1225125130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225125130 is an abundant number, since it is smaller than the sum of its proper divisors (1262883830).

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

1225125130 is a wasteful number, since it uses less digits than its factorization.

1225125130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7663.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1225125130 is about 35001.7875257822. The cubic root of 1225125130 is about 1070.0239113066.

Subtracting from 1225125130 its reverse (315215221), we obtain a palindrome (909909909).

The spelling of 1225125130 in words is "one billion, two hundred twenty-five million, one hundred twenty-five thousand, one hundred thirty".