774020125 has 8 divisors (see below), whose sum is σ = 965977272. Its totient is φ = 619216000.

The previous prime is 774020123. The next prime is 774020129. The reversal of 774020125 is 521020477.

It can be written as a sum of positive squares in 4 ways, for example, as 244421956 + 529598169 = 15634^2 + 23013^2 .

It is not a de Polignac number, because 774020125 - 2¹ = 774020123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 774020093 and 774020102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774020123) 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, 3095956 + ... + 3096205.

It is an arithmetic number, because the mean of its divisors is an integer number (120747159).

Almost surely, 2^774020125 is an apocalyptic number.

It is an amenable number.

774020125 is a deficient number, since it is larger than the sum of its proper divisors (191957147).

774020125 is an equidigital number, since it uses as much as digits as its factorization.

774020125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6192176 (or 6192166 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 774020125 is about 27821.2171732295. The cubic root of 774020125 is about 918.1579893514.

The spelling of 774020125 in words is "seven hundred seventy-four million, twenty thousand, one hundred twenty-five".