1302212125 has 8 divisors (see below), whose sum is σ = 1625160888. Its totient is φ = 1041769600.

The previous prime is 1302212123. The next prime is 1302212141. The reversal of 1302212125 is 5212122031.

It can be written as a sum of positive squares in 4 ways, for example, as 301401 + 1301910724 = 549^2 + 36082^2 .

It is not a de Polignac number, because 1302212125 - 2¹ = 1302212123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302212123) 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 7 ways as a sum of consecutive naturals, for example, 5208724 + ... + 5208973.

It is an arithmetic number, because the mean of its divisors is an integer number (203145111).

Almost surely, 2^1302212125 is an apocalyptic number.

It is an amenable number.

1302212125 is a deficient number, since it is larger than the sum of its proper divisors (322948763).

1302212125 is an equidigital number, since it uses as much as digits as its factorization.

1302212125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10417712 (or 10417702 counting only the distinct ones).

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

The square root of 1302212125 is about 36086.1763699065. The cubic root of 1302212125 is about 1092.0115828963.

Adding to 1302212125 its reverse (5212122031), we get a palindrome (6514334156).

The spelling of 1302212125 in words is "one billion, three hundred two million, two hundred twelve thousand, one hundred twenty-five".