961025140 has 12 divisors (see below), whose sum is σ = 2018152836. Its totient is φ = 384410048.

The previous prime is 961025119. The next prime is 961025159. The reversal of 961025140 is 41520169.

It can be written as a sum of positive squares in 2 ways, for example, as 286895844 + 674129296 = 16938^2 + 25964^2 .

It is a junction number, because it is equal to n+sod(n) for n = 961025099 and 961025108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24025609 + ... + 24025648.

It is an arithmetic number, because the mean of its divisors is an integer number (168179403).

Almost surely, 2^961025140 is an apocalyptic number.

It is an amenable number.

961025140 is an abundant number, since it is smaller than the sum of its proper divisors (1057127696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

961025140 is a wasteful number, since it uses less digits than its factorization.

961025140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48051266 (or 48051264 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 961025140 is about 31000.4054812191. The cubic root of 961025140 is about 986.8358454625.

The spelling of 961025140 in words is "nine hundred sixty-one million, twenty-five thousand, one hundred forty".