1107821372 has 48 divisors (see below), whose sum is σ = 2338775040. Its totient is φ = 448535232.

The previous prime is 1107821357. The next prime is 1107821399. The reversal of 1107821372 is 2731287011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201038 + ... + 206474.

It is an arithmetic number, because the mean of its divisors is an integer number (48724480).

Almost surely, 2^1107821372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1107821372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1169387520).

1107821372 is an abundant number, since it is smaller than the sum of its proper divisors (1230953668).

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

1107821372 is a wasteful number, since it uses less digits than its factorization.

1107821372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850 (or 5848 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 1107821372 is about 33283.9506669506. The cubic root of 1107821372 is about 1034.7209597285.

The spelling of 1107821372 in words is "one billion, one hundred seven million, eight hundred twenty-one thousand, three hundred seventy-two".