1099731214 has 8 divisors (see below), whose sum is σ = 1706479560. Its totient is φ = 530904696.

The previous prime is 1099731211. The next prime is 1099731247. The reversal of 1099731214 is 4121379901.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099731211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9480384 + ... + 9480499.

It is an arithmetic number, because the mean of its divisors is an integer number (213309945).

Almost surely, 2^1099731214 is an apocalyptic number.

1099731214 is a deficient number, since it is larger than the sum of its proper divisors (606748346).

1099731214 is a wasteful number, since it uses less digits than its factorization.

1099731214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18960914.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 1099731214 is about 33162.1955545769. The cubic root of 1099731214 is about 1032.1960290789.

The spelling of 1099731214 in words is "one billion, ninety-nine million, seven hundred thirty-one thousand, two hundred fourteen".