1081292361 has 8 divisors (see below), whose sum is σ = 1526530464. Its totient is φ = 678457920.

The previous prime is 1081292357. The next prime is 1081292419. The reversal of 1081292361 is 1632921801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1081292361 - 2² = 1081292357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1081292321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10600855 + ... + 10600956.

It is an arithmetic number, because the mean of its divisors is an integer number (190816308).

Almost surely, 2^1081292361 is an apocalyptic number.

It is an amenable number.

1081292361 is a deficient number, since it is larger than the sum of its proper divisors (445238103).

1081292361 is a wasteful number, since it uses less digits than its factorization.

1081292361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21201831.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1081292361 is about 32883.0102180442. The cubic root of 1081292361 is about 1026.3946467707.

The spelling of 1081292361 in words is "one billion, eighty-one million, two hundred ninety-two thousand, three hundred sixty-one".