1020134251043 has 4 divisors (see below), whose sum is σ = 1020248076168. Its totient is φ = 1020020425920.

The previous prime is 1020134251039. The next prime is 1020134251051. The reversal of 1020134251043 is 3401524310201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020134251043 - 2² = 1020134251039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020134241043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56899118 + ... + 56917043.

It is an arithmetic number, because the mean of its divisors is an integer number (255062019042).

Almost surely, 2^{1020134251043} is an apocalyptic number.

1020134251043 is a deficient number, since it is larger than the sum of its proper divisors (113825125).

1020134251043 is an equidigital number, since it uses as much as digits as its factorization.

1020134251043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113825124.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1020134251043 its reverse (3401524310201), we get a palindrome (4421658561244).

The spelling of 1020134251043 in words is "one trillion, twenty billion, one hundred thirty-four million, two hundred fifty-one thousand, forty-three".