1172461056 has 160 divisors (see below), whose sum is σ = 3415281408. Its totient is φ = 355246080.

The previous prime is 1172461009. The next prime is 1172461057. The reversal of 1172461056 is 6501642711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172461057) by changing a digit.

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, 1417315 + ... + 1418141.

Almost surely, 2^1172461056 is an apocalyptic number.

1172461056 is a gapful number since it is divisible by the number (16) 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 1172461056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1707640704).

1172461056 is an abundant number, since it is smaller than the sum of its proper divisors (2242820352).

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

1172461056 is an equidigital number, since it uses as much as digits as its factorization.

1172461056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 1172461056 is about 34241.2186699013. The cubic root of 1172461056 is about 1054.4665530129.

The spelling of 1172461056 in words is "one billion, one hundred seventy-two million, four hundred sixty-one thousand, fifty-six".