1065142725 has 12 divisors (see below), whose sum is σ = 1761036096. Its totient is φ = 568076080.

The previous prime is 1065142721. The next prime is 1065142739. The reversal of 1065142725 is 5272415601.

It is not a de Polignac number, because 1065142725 - 2² = 1065142721 is a prime.

It is a super-2 number, since 2×1065142725² = 2269058049240851250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065142721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7100877 + ... + 7101026.

It is an arithmetic number, because the mean of its divisors is an integer number (146753008).

Almost surely, 2^1065142725 is an apocalyptic number.

1065142725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1065142725 is a deficient number, since it is larger than the sum of its proper divisors (695893371).

1065142725 is a wasteful number, since it uses less digits than its factorization.

1065142725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14201916 (or 14201911 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 1065142725 is about 32636.5244013513. The cubic root of 1065142725 is about 1021.2590900814.

The spelling of 1065142725 in words is "one billion, sixty-five million, one hundred forty-two thousand, seven hundred twenty-five".