1300022121 has 32 divisors (see below), whose sum is σ = 1850083200. Its totient is φ = 810432000.

The previous prime is 1300022117. The next prime is 1300022159. The reversal of 1300022121 is 1212200031.

It is not a de Polignac number, because 1300022121 - 2² = 1300022117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1300022097 and 1300022106.

It is not an unprimeable number, because it can be changed into a prime (1300022221) 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 31 ways as a sum of consecutive naturals, for example, 807165 + ... + 808773.

It is an arithmetic number, because the mean of its divisors is an integer number (57815100).

Almost surely, 2^1300022121 is an apocalyptic number.

It is an amenable number.

1300022121 is a deficient number, since it is larger than the sum of its proper divisors (550061079).

1300022121 is a wasteful number, since it uses less digits than its factorization.

1300022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929.

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

The square root of 1300022121 is about 36055.8195164109. The cubic root of 1300022121 is about 1091.3990734624.

Adding to 1300022121 its reverse (1212200031), we get a palindrome (2512222152).

The spelling of 1300022121 in words is "one billion, three hundred million, twenty-two thousand, one hundred twenty-one".