1107134521 has 4 divisors (see below), whose sum is σ = 1134137844. Its totient is φ = 1080131200.

The previous prime is 1107134507. The next prime is 1107134533. The reversal of 1107134521 is 1254317011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27092025 + 1080042496 = 5205^2 + 32864^2 .

It is a cyclic number.

It is not a de Polignac number, because 1107134521 - 2⁷ = 1107134393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1107134551) 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, 13501600 + ... + 13501681.

It is an arithmetic number, because the mean of its divisors is an integer number (283534461).

Almost surely, 2^1107134521 is an apocalyptic number.

It is an amenable number.

1107134521 is a deficient number, since it is larger than the sum of its proper divisors (27003323).

1107134521 is an equidigital number, since it uses as much as digits as its factorization.

1107134521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27003322.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1107134521 is about 33273.6310161665. The cubic root of 1107134521 is about 1034.5070726427.

The spelling of 1107134521 in words is "one billion, one hundred seven million, one hundred thirty-four thousand, five hundred twenty-one".