1020536120126 has 64 divisors (see below), whose sum is σ = 1681915207680. Its totient is φ = 462264337920.

The previous prime is 1020536120099. The next prime is 1020536120159. The reversal of 1020536120126 is 6210216350201.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 693769571 + ... + 693771041.

It is an arithmetic number, because the mean of its divisors is an integer number (26279925120).

Almost surely, 2^{1020536120126} is an apocalyptic number.

1020536120126 is a deficient number, since it is larger than the sum of its proper divisors (661379087554).

1020536120126 is a wasteful number, since it uses less digits than its factorization.

1020536120126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 1020536120126 in words is "one trillion, twenty billion, five hundred thirty-six million, one hundred twenty thousand, one hundred twenty-six".