1080199406 has 32 divisors (see below), whose sum is σ = 1910484576. Its totient is φ = 451584000.

The previous prime is 1080199403. The next prime is 1080199411. The reversal of 1080199406 is 6049910801.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1080199406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080199403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73646 + ... + 87086.

It is an arithmetic number, because the mean of its divisors is an integer number (59702643).

Almost surely, 2^1080199406 is an apocalyptic number.

1080199406 is a deficient number, since it is larger than the sum of its proper divisors (830285170).

1080199406 is a wasteful number, since it uses less digits than its factorization.

1080199406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13748.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1080199406 is about 32866.3871759584. The cubic root of 1080199406 is about 1026.0487084653.

The spelling of 1080199406 in words is "one billion, eighty million, one hundred ninety-nine thousand, four hundred six".