1314121251 has 4 divisors (see below), whose sum is σ = 1752161672. Its totient is φ = 876080832.

The previous prime is 1314121247. The next prime is 1314121297. The reversal of 1314121251 is 1521214131.

1314121251 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1521214131 = 3 ⋅507071377.

It is not a de Polignac number, because 1314121251 - 2² = 1314121247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1314121351) 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, 219020206 + ... + 219020211.

It is an arithmetic number, because the mean of its divisors is an integer number (438040418).

Almost surely, 2^1314121251 is an apocalyptic number.

1314121251 is a deficient number, since it is larger than the sum of its proper divisors (438040421).

1314121251 is an equidigital number, since it uses as much as digits as its factorization.

1314121251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438040420.

The product of its digits is 240, while the sum is 21.

The square root of 1314121251 is about 36250.8103495632. The cubic root of 1314121251 is about 1095.3304121636.

Adding to 1314121251 its reverse (1521214131), we get a palindrome (2835335382).

The spelling of 1314121251 in words is "one billion, three hundred fourteen million, one hundred twenty-one thousand, two hundred fifty-one".