961237056 has 112 divisors (see below), whose sum is σ = 2883204800. Its totient is φ = 280184832.

The previous prime is 961237049. The next prime is 961237061. The reversal of 961237056 is 650732169.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37290 + ... + 57558.

It is an arithmetic number, because the mean of its divisors is an integer number (25742900).

Almost surely, 2^961237056 is an apocalyptic number.

961237056 is a gapful number since it is divisible by the number (96) 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 961237056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1441602400).

961237056 is an abundant number, since it is smaller than the sum of its proper divisors (1921967744).

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

961237056 is a wasteful number, since it uses less digits than its factorization.

961237056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20316 (or 20306 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 961237056 is about 31003.8232481093. The cubic root of 961237056 is about 986.9083759742.

The spelling of 961237056 in words is "nine hundred sixty-one million, two hundred thirty-seven thousand, fifty-six".