1025104243 has 4 divisors (see below), whose sum is σ = 1025168680. Its totient is φ = 1025039808.

The previous prime is 1025104193. The next prime is 1025104261. The reversal of 1025104243 is 3424015201.

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 cyclic number.

It is not a de Polignac number, because 1025104243 - 2¹⁷ = 1024973171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025104543) 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, 10723 + ... + 46531.

It is an arithmetic number, because the mean of its divisors is an integer number (256292170).

Almost surely, 2^1025104243 is an apocalyptic number.

1025104243 is a deficient number, since it is larger than the sum of its proper divisors (64437).

1025104243 is an equidigital number, since it uses as much as digits as its factorization.

1025104243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64436.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1025104243 is about 32017.2491479203. The cubic root of 1025104243 is about 1008.2990167923.

Adding to 1025104243 its reverse (3424015201), we get a palindrome (4449119444).

The spelling of 1025104243 in words is "one billion, twenty-five million, one hundred four thousand, two hundred forty-three".