1081292364 has 54 divisors (see below), whose sum is σ = 2775085404. Its totient is φ = 354998160.

The previous prime is 1081292357. The next prime is 1081292419. The reversal of 1081292364 is 4632921801.

1081292364 is a `hidden beast` number, since 1 + 0 + 8 + 1 + 292 + 364 = 666.

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

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 158259 + ... + 164949.

Almost surely, 2^1081292364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1081292364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1387542702).

1081292364 is an abundant number, since it is smaller than the sum of its proper divisors (1693793040).

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

1081292364 is a wasteful number, since it uses less digits than its factorization.

1081292364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6835 (or 6763 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1081292364 is about 32883.0102636605. The cubic root of 1081292364 is about 1026.3946477200.

The spelling of 1081292364 in words is "one billion, eighty-one million, two hundred ninety-two thousand, three hundred sixty-four".