1406120021279 has 2 divisors, whose sum is σ = 1406120021280. Its totient is φ = 1406120021278.

The previous prime is 1406120021261. The next prime is 1406120021311. The reversal of 1406120021279 is 9721200216041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1406120021279 - 2⁸ = 1406120021023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406120021219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703060010639 + 703060010640.

It is an arithmetic number, because the mean of its divisors is an integer number (703060010640).

Almost surely, 2^{1406120021279} is an apocalyptic number.

1406120021279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406120021279 is an equidigital number, since it uses as much as digits as its factorization.

1406120021279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 1406120021279 in words is "one trillion, four hundred six billion, one hundred twenty million, twenty-one thousand, two hundred seventy-nine".