1300021122 has 16 divisors (see below), whose sum is σ = 2670314112. Its totient is φ = 421628400.

The previous prime is 1300021103. The next prime is 1300021133. The reversal of 1300021122 is 2211200031.

It is a super-2 number, since 2×1300021122² = 3380109835292277768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1300021098 and 1300021107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2927754 + ... + 2928197.

It is an arithmetic number, because the mean of its divisors is an integer number (166894632).

Almost surely, 2^1300021122 is an apocalyptic number.

1300021122 is an abundant number, since it is smaller than the sum of its proper divisors (1370292990).

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

1300021122 is a wasteful number, since it uses less digits than its factorization.

1300021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5855993.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1300021122 is about 36055.8056628887. The cubic root of 1300021122 is about 1091.3987939010.

Adding to 1300021122 its reverse (2211200031), we get a palindrome (3511221153).

The spelling of 1300021122 in words is "one billion, three hundred million, twenty-one thousand, one hundred twenty-two".