1081455794 has 16 divisors (see below), whose sum is σ = 1708257600. Its totient is φ = 512059824.

The previous prime is 1081455787. The next prime is 1081455797. The reversal of 1081455794 is 4975541801.

It is not an unprimeable number, because it can be changed into a prime (1081455797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129992 + ... + 138060.

It is an arithmetic number, because the mean of its divisors is an integer number (106766100).

Almost surely, 2^1081455794 is an apocalyptic number.

1081455794 is a deficient number, since it is larger than the sum of its proper divisors (626801806).

1081455794 is a wasteful number, since it uses less digits than its factorization.

1081455794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11617.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 1081455794 is about 32885.4951916495. The cubic root of 1081455794 is about 1026.4463559759.

The spelling of 1081455794 in words is "one billion, eighty-one million, four hundred fifty-five thousand, seven hundred ninety-four".