1214860681457 has 2 divisors, whose sum is σ = 1214860681458. Its totient is φ = 1214860681456.

The previous prime is 1214860681429. The next prime is 1214860681477. The reversal of 1214860681457 is 7541860684121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1144121172496 + 70739508961 = 1069636^2 + 265969^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214860681457 - 2⁶ = 1214860681393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1214860681399 and 1214860681408.

It is not a weakly prime, because it can be changed into another prime (1214860681477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607430340728 + 607430340729.

It is an arithmetic number, because the mean of its divisors is an integer number (607430340729).

Almost surely, 2^{1214860681457} is an apocalyptic number.

It is an amenable number.

1214860681457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214860681457 is an equidigital number, since it uses as much as digits as its factorization.

1214860681457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 1214860681457 in words is "one trillion, two hundred fourteen billion, eight hundred sixty million, six hundred eighty-one thousand, four hundred fifty-seven".