1107421265 has 4 divisors (see below), whose sum is σ = 1328905524. Its totient is φ = 885937008.

The previous prime is 1107421253. The next prime is 1107421283. The reversal of 1107421265 is 5621247011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5621247011 = 101 ⋅55655911.

It can be written as a sum of positive squares in 2 ways, for example, as 229128769 + 878292496 = 15137^2 + 29636^2 .

It is a cyclic number.

It is not a de Polignac number, because 1107421265 - 2¹⁰ = 1107420241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110742122 + ... + 110742131.

It is an arithmetic number, because the mean of its divisors is an integer number (332226381).

Almost surely, 2^1107421265 is an apocalyptic number.

It is an amenable number.

1107421265 is a deficient number, since it is larger than the sum of its proper divisors (221484259).

1107421265 is an equidigital number, since it uses as much as digits as its factorization.

1107421265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221484258.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1107421265 is about 33277.9396147057. The cubic root of 1107421265 is about 1034.5963761810.

Adding to 1107421265 its reverse (5621247011), we get a palindrome (6728668276).

The spelling of 1107421265 in words is "one billion, one hundred seven million, four hundred twenty-one thousand, two hundred sixty-five".