1023120100134 has 128 divisors (see below), whose sum is σ = 2627037619200. Its totient is φ = 291704855040.

The previous prime is 1023120100063. The next prime is 1023120100141. The reversal of 1023120100134 is 4310010213201.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 63 ways as a sum of consecutive naturals, for example, 35015359 + ... + 35044565.

It is an arithmetic number, because the mean of its divisors is an integer number (20523731400).

Almost surely, 2^{1023120100134} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023120100134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1313518809600).

1023120100134 is an abundant number, since it is smaller than the sum of its proper divisors (1603917519066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023120100134 is a wasteful number, since it uses less digits than its factorization.

1023120100134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32715 (or 32709 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1023120100134 its reverse (4310010213201), we get a palindrome (5333130313335).

The spelling of 1023120100134 in words is "one trillion, twenty-three billion, one hundred twenty million, one hundred thousand, one hundred thirty-four".