1214501311 has 2 divisors, whose sum is σ = 1214501312. Its totient is φ = 1214501310.

The previous prime is 1214501293. The next prime is 1214501317. The reversal of 1214501311 is 1131054121.

It is a strong prime.

It is an emirp because it is prime and its reverse (1131054121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1214501311 - 2⁹ = 1214500799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214501317) 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 as a sum of consecutive naturals, namely, 607250655 + 607250656.

It is an arithmetic number, because the mean of its divisors is an integer number (607250656).

Almost surely, 2^1214501311 is an apocalyptic number.

1214501311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214501311 is an equidigital number, since it uses as much as digits as its factorization.

1214501311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1214501311 is about 34849.6959958046. The cubic root of 1214501311 is about 1066.9219809520.

Adding to 1214501311 its reverse (1131054121), we get a palindrome (2345555432).

The spelling of 1214501311 in words is "one billion, two hundred fourteen million, five hundred one thousand, three hundred eleven".