1300112121 has 32 divisors (see below), whose sum is σ = 2180395008. Its totient is φ = 669392640.

The previous prime is 1300112119. The next prime is 1300112123. The reversal of 1300112121 is 1212110031.

It is an interprime number because it is at equal distance from previous prime (1300112119) and next prime (1300112123).

It is not a de Polignac number, because 1300112121 - 2¹ = 1300112119 is a prime.

It is a super-2 number, since 2×1300112121² = 3380583054342237282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1300112097 and 1300112106.

It is not an unprimeable number, because it can be changed into a prime (1300112123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1200 + ... + 51006.

It is an arithmetic number, because the mean of its divisors is an integer number (68137344).

Almost surely, 2^1300112121 is an apocalyptic number.

1300112121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1300112121 is a deficient number, since it is larger than the sum of its proper divisors (880282887).

1300112121 is a wasteful number, since it uses less digits than its factorization.

1300112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49941.

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

The square root of 1300112121 is about 36057.0675596339. The cubic root of 1300112121 is about 1091.4242585851.

Adding to 1300112121 its reverse (1212110031), we get a palindrome (2512222152).

The spelling of 1300112121 in words is "one billion, three hundred million, one hundred twelve thousand, one hundred twenty-one".