1099854072 has 64 divisors (see below), whose sum is σ = 3060288000. Its totient is φ = 366001632.

The previous prime is 1099854071. The next prime is 1099854101. The reversal of 1099854072 is 2704589901.

1099854072 is a `hidden beast` number, since 10 + 9 + 98 + 540 + 7 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099854071) 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, 134929 + ... + 142847.

It is an arithmetic number, because the mean of its divisors is an integer number (47817000).

Almost surely, 2^1099854072 is an apocalyptic number.

1099854072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1099854072 is an abundant number, since it is smaller than the sum of its proper divisors (1960433928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1099854072 is a wasteful number, since it uses less digits than its factorization.

1099854072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8577 (or 8567 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 1099854072 is about 33164.0478832123. The cubic root of 1099854072 is about 1032.2344653853.

The spelling of 1099854072 in words is "one billion, ninety-nine million, eight hundred fifty-four thousand, seventy-two".