1301412121 has 4 divisors (see below), whose sum is σ = 1306857600. Its totient is φ = 1295966644.

The previous prime is 1301412113. The next prime is 1301412131. The reversal of 1301412121 is 1212141031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1301412121 - 2³ = 1301412113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1301412095 and 1301412104.

It is not an unprimeable number, because it can be changed into a prime (1301412131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2722381 + ... + 2722858.

It is an arithmetic number, because the mean of its divisors is an integer number (326714400).

Almost surely, 2^1301412121 is an apocalyptic number.

It is an amenable number.

1301412121 is a deficient number, since it is larger than the sum of its proper divisors (5445479).

1301412121 is an equidigital number, since it uses as much as digits as its factorization.

1301412121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445478.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1301412121 is about 36075.0900345377. The cubic root of 1301412121 is about 1091.7879141156.

Adding to 1301412121 its reverse (1212141031), we get a palindrome (2513553152).

The spelling of 1301412121 in words is "one billion, three hundred one million, four hundred twelve thousand, one hundred twenty-one".