1075720051 has 8 divisors (see below), whose sum is σ = 1282846464. Its totient is φ = 881956680.

The previous prime is 1075720031. The next prime is 1075720081. The reversal of 1075720051 is 1500275701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1075720051 - 2¹⁷ = 1075588979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1075720001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3340585 + ... + 3340906.

It is an arithmetic number, because the mean of its divisors is an integer number (160355808).

Almost surely, 2^1075720051 is an apocalyptic number.

1075720051 is a deficient number, since it is larger than the sum of its proper divisors (207126413).

1075720051 is an equidigital number, since it uses as much as digits as its factorization.

1075720051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6681521.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 1075720051 is about 32798.1714581774. The cubic root of 1075720051 is about 1024.6284756242.

Adding to 1075720051 its reverse (1500275701), we get a palindrome (2575995752).

The spelling of 1075720051 in words is "one billion, seventy-five million, seven hundred twenty thousand, fifty-one".