1125729365 has 8 divisors (see below), whose sum is σ = 1409609088. Its totient is φ = 861427600.

The previous prime is 1125729349. The next prime is 1125729413. The reversal of 1125729365 is 5639275211.

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

It is not a de Polignac number, because 1125729365 - 2⁴ = 1125729349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4894361 + ... + 4894590.

It is an arithmetic number, because the mean of its divisors is an integer number (176201136).

Almost surely, 2^1125729365 is an apocalyptic number.

It is an amenable number.

1125729365 is a deficient number, since it is larger than the sum of its proper divisors (283879723).

1125729365 is an equidigital number, since it uses as much as digits as its factorization.

1125729365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9788979.

The product of its digits is 113400, while the sum is 41.

The square root of 1125729365 is about 33551.8906322729. The cubic root of 1125729365 is about 1040.2666245021.

The spelling of 1125729365 in words is "one billion, one hundred twenty-five million, seven hundred twenty-nine thousand, three hundred sixty-five".