1075720107 has 16 divisors (see below), whose sum is σ = 1788210432. Its totient is φ = 558815520.

The previous prime is 1075720103. The next prime is 1075720109. The reversal of 1075720107 is 7010275701.

It is not a de Polignac number, because 1075720107 - 2² = 1075720103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1075720103) 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, 2328168 + ... + 2328629.

It is an arithmetic number, because the mean of its divisors is an integer number (111763152).

Almost surely, 2^1075720107 is an apocalyptic number.

1075720107 is a deficient number, since it is larger than the sum of its proper divisors (712490325).

1075720107 is a wasteful number, since it uses less digits than its factorization.

1075720107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4656818.

The product of its (nonzero) digits is 3430, while the sum is 30.

The square root of 1075720107 is about 32798.1723118835. The cubic root of 1075720107 is about 1024.6284934043.

Adding to 1075720107 its reverse (7010275701), we get a palindrome (8085995808).

The spelling of 1075720107 in words is "one billion, seventy-five million, seven hundred twenty thousand, one hundred seven".