1107891272 has 16 divisors (see below), whose sum is σ = 2111351100. Its totient is φ = 544864320.

The previous prime is 1107891271. The next prime is 1107891283. The reversal of 1107891272 is 2721987011.

It can be written as a sum of positive squares in 2 ways, for example, as 980065636 + 127825636 = 31306^2 + 11306^2 .

It is not an unprimeable number, because it can be changed into a prime (1107891271) 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, 1134647 + ... + 1135622.

Almost surely, 2^1107891272 is an apocalyptic number.

It is an amenable number.

1107891272 is a deficient number, since it is larger than the sum of its proper divisors (1003459828).

1107891272 is a wasteful number, since it uses less digits than its factorization.

1107891272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270336 (or 2270332 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 38.

The square root of 1107891272 is about 33285.0007060237. Note that the first 3 decimals coincide. The cubic root of 1107891272 is about 1034.7427218031.

The spelling of 1107891272 in words is "one billion, one hundred seven million, eight hundred ninety-one thousand, two hundred seventy-two".