1420126123563 has 72 divisors (see below), whose sum is σ = 2406056260608. Its totient is φ = 804775251168.

The previous prime is 1420126123561. The next prime is 1420126123571. The reversal of 1420126123563 is 3653216210241.

1420126123563 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 1 + 2 + 612 + 35 + 6 + 3 = 666.

It is not a de Polignac number, because 1420126123563 - 2¹ = 1420126123561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420126123561) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 25836756 + ... + 25891662.

It is an arithmetic number, because the mean of its divisors is an integer number (33417448064).

Almost surely, 2^{1420126123563} is an apocalyptic number.

1420126123563 is a deficient number, since it is larger than the sum of its proper divisors (985930137045).

1420126123563 is a wasteful number, since it uses less digits than its factorization.

1420126123563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55413 (or 55403 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 1420126123563 in words is "one trillion, four hundred twenty billion, one hundred twenty-six million, one hundred twenty-three thousand, five hundred sixty-three".