1162122656 has 48 divisors (see below), whose sum is σ = 2401467264. Its totient is φ = 552524544.

The previous prime is 1162122653. The next prime is 1162122667. The reversal of 1162122656 is 6562212611.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1162122653) 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 7 ways as a sum of consecutive naturals, for example, 122765 + ... + 131891.

It is an arithmetic number, because the mean of its divisors is an integer number (50030568).

Almost surely, 2^1162122656 is an apocalyptic number.

1162122656 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 1162122656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1200733632).

1162122656 is an abundant number, since it is smaller than the sum of its proper divisors (1239344608).

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

1162122656 is a wasteful number, since it uses less digits than its factorization.

1162122656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9333 (or 9325 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 1162122656 is about 34089.9201524439. The cubic root of 1162122656 is about 1051.3580782190.

The spelling of 1162122656 in words is "one billion, one hundred sixty-two million, one hundred twenty-two thousand, six hundred fifty-six".