771125 has 16 divisors (see below), whose sum is σ = 998400. Its totient is φ = 594000.

The previous prime is 771109. The next prime is 771143. The reversal of 771125 is 521177.

It is a happy number.

771125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 771125 - 2⁴ = 771109 is a prime.

Its product of digits (490) is a multiple of the sum of its prime factors (245).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 771125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3776 + ... + 3974.

It is an arithmetic number, because the mean of its divisors is an integer number (62400).

2⁷⁷¹¹²⁵ is an apocalyptic number.

It is an amenable number.

771125 is a deficient number, since it is larger than the sum of its proper divisors (227275).

771125 is a wasteful number, since it uses less digits than its factorization.

771125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 235 counting only the distinct ones).

The product of its digits is 490, while the sum is 23.

The square root of 771125 is about 878.1372330109. The cubic root of 771125 is about 91.7011807590.

The spelling of 771125 in words is "seven hundred seventy-one thousand, one hundred twenty-five".