1301222125 has 128 divisors (see below), whose sum is σ = 2113413120. Its totient is φ = 779328000.

The previous prime is 1301222107. The next prime is 1301222129. The reversal of 1301222125 is 5212221031.

It is not a de Polignac number, because 1301222125 - 2⁷ = 1301221997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301222129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15677334 + ... + 15677416.

It is an arithmetic number, because the mean of its divisors is an integer number (16511040).

Almost surely, 2^1301222125 is an apocalyptic number.

It is an amenable number.

1301222125 is a deficient number, since it is larger than the sum of its proper divisors (812190995).

1301222125 is a wasteful number, since it uses less digits than its factorization.

1301222125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1301222125 is about 36072.4565977977. The cubic root of 1301222125 is about 1091.7347806952.

Adding to 1301222125 its reverse (5212221031), we get a palindrome (6513443156).

The spelling of 1301222125 in words is "one billion, three hundred one million, two hundred twenty-two thousand, one hundred twenty-five".