961280125 has 32 divisors (see below), whose sum is σ = 1304974944. Its totient is φ = 702720000.

The previous prime is 961280123. The next prime is 961280141. The reversal of 961280125 is 521082169.

It can be written as a sum of positive squares in 16 ways, for example, as 329712964 + 631567161 = 18158^2 + 25131^2 .

It is not a de Polignac number, because 961280125 - 2¹ = 961280123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961280123) 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 31 ways as a sum of consecutive naturals, for example, 161197 + ... + 167053.

It is an arithmetic number, because the mean of its divisors is an integer number (40780467).

Almost surely, 2^961280125 is an apocalyptic number.

It is an amenable number.

961280125 is a deficient number, since it is larger than the sum of its proper divisors (343694819).

961280125 is a wasteful number, since it uses less digits than its factorization.

961280125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5986 (or 5976 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 961280125 is about 31004.5178159571. The cubic root of 961280125 is about 986.9231154955.

The spelling of 961280125 in words is "nine hundred sixty-one million, two hundred eighty thousand, one hundred twenty-five".