1214278734641 has 16 divisors (see below), whose sum is σ = 1401206851200. Its totient is φ = 1030757011200.

The previous prime is 1214278734583. The next prime is 1214278734667. The reversal of 1214278734641 is 1464378724121.

It is not a de Polignac number, because 1214278734641 - 2³⁰ = 1213204992817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1214278734641.

It is not an unprimeable number, because it can be changed into a prime (1214278730641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1375835 + ... + 2078816.

It is an arithmetic number, because the mean of its divisors is an integer number (87575428200).

Almost surely, 2^{1214278734641} is an apocalyptic number.

It is an amenable number.

1214278734641 is a deficient number, since it is larger than the sum of its proper divisors (186928116559).

1214278734641 is a wasteful number, since it uses less digits than its factorization.

1214278734641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455144.

The product of its digits is 1806336, while the sum is 50.

The spelling of 1214278734641 in words is "one trillion, two hundred fourteen billion, two hundred seventy-eight million, seven hundred thirty-four thousand, six hundred forty-one".