761127145 has 8 divisors (see below), whose sum is σ = 967079304. Its totient is φ = 573083904.

The previous prime is 761127121. The next prime is 761127149. The reversal of 761127145 is 541721167.

It can be written as a sum of positive squares in 4 ways, for example, as 110418064 + 650709081 = 10508^2 + 25509^2 .

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 761127145 - 2⁵ = 761127113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 761127145.

It is not an unprimeable number, because it can be changed into a prime (761127149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4477134 + ... + 4477303.

It is an arithmetic number, because the mean of its divisors is an integer number (120884913).

Almost surely, 2^761127145 is an apocalyptic number.

It is an amenable number.

761127145 is a deficient number, since it is larger than the sum of its proper divisors (205952159).

761127145 is a wasteful number, since it uses less digits than its factorization.

761127145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8954459.

The product of its digits is 11760, while the sum is 34.

The square root of 761127145 is about 27588.5328533433. The cubic root of 761127145 is about 913.0314492225.

The spelling of 761127145 in words is "seven hundred sixty-one million, one hundred twenty-seven thousand, one hundred forty-five".