1302222120 has 32 divisors (see below), whose sum is σ = 3906666720. Its totient is φ = 347259200.

The previous prime is 1302222071. The next prime is 1302222121. The reversal of 1302222120 is 212222031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1302222120.

It is not an unprimeable number, because it can be changed into a prime (1302222121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5425806 + ... + 5426045.

It is an arithmetic number, because the mean of its divisors is an integer number (122083335).

Almost surely, 2^1302222120 is an apocalyptic number.

1302222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302222120 is an abundant number, since it is smaller than the sum of its proper divisors (2604444600).

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

1302222120 is a wasteful number, since it uses less digits than its factorization.

1302222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10851865 (or 10851861 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1302222120 is about 36086.3148575745. The cubic root of 1302222120 is about 1092.0143767647.

Adding to 1302222120 its reverse (212222031), we get a palindrome (1514444151).

The spelling of 1302222120 in words is "one billion, three hundred two million, two hundred twenty-two thousand, one hundred twenty".