3261178120 has 32 divisors (see below), whose sum is σ = 7339452120. Its totient is φ = 1304151040.

The previous prime is 3261178117. The next prime is 3261178133. The reversal of 3261178120 is 218711623.

It can be written as a sum of positive squares in 4 ways, for example, as 902521764 + 2358656356 = 30042^2 + 48566^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220560 + ... + 234880.

Almost surely, 2^3261178120 is an apocalyptic number.

It is an amenable number.

3261178120 is an abundant number, since it is smaller than the sum of its proper divisors (4078274000).

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

3261178120 is a wasteful number, since it uses less digits than its factorization.

3261178120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20025 (or 20021 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 3261178120 is about 57106.7256984674. The cubic root of 3261178120 is about 1482.9443030905.

Adding to 3261178120 its reverse (218711623), we get a palindrome (3479889743).

The spelling of 3261178120 in words is "three billion, two hundred sixty-one million, one hundred seventy-eight thousand, one hundred twenty".