1020726424999 has 16 divisors (see below), whose sum is σ = 1118859840000. Its totient is φ = 927475768800.

The previous prime is 1020726424997. The next prime is 1020726425021. The reversal of 1020726424999 is 9994246270201.

1020726424999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1020726424999 - 2¹ = 1020726424997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020726424997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6050899 + ... + 6217300.

It is an arithmetic number, because the mean of its divisors is an integer number (69928740000).

Almost surely, 2^{1020726424999} is an apocalyptic number.

1020726424999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1020726424999 is a deficient number, since it is larger than the sum of its proper divisors (98133415001).

1020726424999 is a wasteful number, since it uses less digits than its factorization.

1020726424999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12268398.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 1020726424999 in words is "one trillion, twenty billion, seven hundred twenty-six million, four hundred twenty-four thousand, nine hundred ninety-nine".