1081208792 has 8 divisors (see below), whose sum is σ = 2027266500. Its totient is φ = 540604392.

The previous prime is 1081208761. The next prime is 1081208797. The reversal of 1081208792 is 2978021801.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081208797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67575542 + ... + 67575557.

Almost surely, 2^1081208792 is an apocalyptic number.

It is an amenable number.

1081208792 is a deficient number, since it is larger than the sum of its proper divisors (946057708).

1081208792 is a wasteful number, since it uses less digits than its factorization.

1081208792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135151105 (or 135151101 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 1081208792 is about 32881.7394916996. The cubic root of 1081208792 is about 1026.3682040351.

The spelling of 1081208792 in words is "one billion, eighty-one million, two hundred eight thousand, seven hundred ninety-two".