1314142121 has 4 divisors (see below), whose sum is σ = 1314499200. Its totient is φ = 1313785044.

The previous prime is 1314142103. The next prime is 1314142171. The reversal of 1314142121 is 1212414131.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1212414131 = 157 ⋅7722383.

It is a cyclic number.

It is not a de Polignac number, because 1314142121 - 2⁶ = 1314142057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1314142093 and 1314142102.

It is not an unprimeable number, because it can be changed into a prime (1314142171) 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, 172961 + ... + 180398.

It is an arithmetic number, because the mean of its divisors is an integer number (328624800).

Almost surely, 2^1314142121 is an apocalyptic number.

It is an amenable number.

1314142121 is a deficient number, since it is larger than the sum of its proper divisors (357079).

1314142121 is an equidigital number, since it uses as much as digits as its factorization.

1314142121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357078.

The product of its digits is 192, while the sum is 20.

The square root of 1314142121 is about 36251.0982040545. The cubic root of 1314142121 is about 1095.3362105693.

Adding to 1314142121 its reverse (1212414131), we get a palindrome (2526556252).

The spelling of 1314142121 in words is "one billion, three hundred fourteen million, one hundred forty-two thousand, one hundred twenty-one".