1026653271121 has 3 divisors (see below), whose sum is σ = 1026654284361. Its totient is φ = 1026652257882.

The previous prime is 1026653271107. The next prime is 1026653271151. The reversal of 1026653271121 is 1211723566201.

The square root of 1026653271121 is 1013239.

It is a perfect power (a square), and thus also a powerful number.

1026653271121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-1026653271121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1026653271151) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 506620 + ... + 1519858.

It is an arithmetic number, because the mean of its divisors is an integer number (342218094787).

Almost surely, 2^{1026653271121} is an apocalyptic number.

1026653271121 is the 1013239-th square number.

1026653271121 is the 506620-th centered octagonal number.

It is an amenable number.

1026653271121 is a deficient number, since it is larger than the sum of its proper divisors (1013240).

1026653271121 is an frugal number, since it uses more digits than its factorization.

1026653271121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026478 (or 1013239 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 1026653271121 in words is "one trillion, twenty-six billion, six hundred fifty-three million, two hundred seventy-one thousand, one hundred twenty-one".