1099269272 has 16 divisors (see below), whose sum is σ = 2064184560. Its totient is φ = 548820064.

The previous prime is 1099269271. The next prime is 1099269287. The reversal of 1099269272 is 2729629901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099269271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96068 + ... + 106899.

It is an arithmetic number, because the mean of its divisors is an integer number (129011535).

Almost surely, 2^1099269272 is an apocalyptic number.

It is an amenable number.

1099269272 is a deficient number, since it is larger than the sum of its proper divisors (964915288).

1099269272 is a wasteful number, since it uses less digits than its factorization.

1099269272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203650 (or 203646 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 1099269272 is about 33155.2299343558. The cubic root of 1099269272 is about 1032.0514842212.

The spelling of 1099269272 in words is "one billion, ninety-nine million, two hundred sixty-nine thousand, two hundred seventy-two".