1061964120 has 128 divisors (see below), whose sum is σ = 3725821440. Its totient is φ = 237081600.

The previous prime is 1061964091. The next prime is 1061964139. The reversal of 1061964120 is 214691601.

It is a happy number.

1061964120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1061964120² = 2255535584334748800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21420 + ... + 50820.

It is an arithmetic number, because the mean of its divisors is an integer number (29107980).

Almost surely, 2^1061964120 is an apocalyptic number.

1061964120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061964120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1862910720).

1061964120 is an abundant number, since it is smaller than the sum of its proper divisors (2663857320).

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

1061964120 is a wasteful number, since it uses less digits than its factorization.

1061964120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29465 (or 29461 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1061964120 is about 32587.7909653293. The cubic root of 1061964120 is about 1020.2421954666.

The spelling of 1061964120 in words is "one billion, sixty-one million, nine hundred sixty-four thousand, one hundred twenty".