1081362672 has 120 divisors (see below), whose sum is σ = 3371659200. Its totient is φ = 321237504.

The previous prime is 1081362671. The next prime is 1081362683. The reversal of 1081362672 is 2762631801.

1081362672 is a `hidden beast` number, since 10 + 8 + 13 + 626 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081362671) 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 23 ways as a sum of consecutive naturals, for example, 44329 + ... + 64247.

It is an arithmetic number, because the mean of its divisors is an integer number (28097160).

Almost surely, 2^1081362672 is an apocalyptic number.

1081362672 is a gapful number since it is divisible by the number (12) 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 1081362672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1685829600).

1081362672 is an abundant number, since it is smaller than the sum of its proper divisors (2290296528).

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

1081362672 is a wasteful number, since it uses less digits than its factorization.

1081362672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19975 (or 19966 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1081362672 is about 32884.0793089908. The cubic root of 1081362672 is about 1026.4168933812.

The spelling of 1081362672 in words is "one billion, eighty-one million, three hundred sixty-two thousand, six hundred seventy-two".