1025340109 has 8 divisors (see below), whose sum is σ = 1047644928. Its totient is φ = 1003055760.

The previous prime is 1025340101. The next prime is 1025340119. The reversal of 1025340109 is 9010435201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1025340109 - 2³ = 1025340101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025340101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140304 + ... + 147430.

It is an arithmetic number, because the mean of its divisors is an integer number (130955616).

Almost surely, 2^1025340109 is an apocalyptic number.

It is an amenable number.

1025340109 is a deficient number, since it is larger than the sum of its proper divisors (22304819).

1025340109 is an equidigital number, since it uses as much as digits as its factorization.

1025340109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10235.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1025340109 is about 32020.9323568193. The cubic root of 1025340109 is about 1008.3763439584.

The spelling of 1025340109 in words is "one billion, twenty-five million, three hundred forty thousand, one hundred nine".