1120765729 has 8 divisors (see below), whose sum is σ = 1131972608. Its totient is φ = 1109596320.

The previous prime is 1120765703. The next prime is 1120765739. The reversal of 1120765729 is 9275670211.

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 1120765729 - 2¹¹ = 1120763681 is a prime.

It is a super-2 number, since 2×1120765729² = 2512231638601802882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120765691 and 1120765700.

It is not an unprimeable number, because it can be changed into a prime (1120765739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52789 + ... + 70909.

It is an arithmetic number, because the mean of its divisors is an integer number (141496576).

Almost surely, 2^1120765729 is an apocalyptic number.

It is an amenable number.

1120765729 is a deficient number, since it is larger than the sum of its proper divisors (11206879).

1120765729 is a wasteful number, since it uses less digits than its factorization.

1120765729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18735.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 1120765729 is about 33477.8393717396. The cubic root of 1120765729 is about 1038.7354356998.

The spelling of 1120765729 in words is "one billion, one hundred twenty million, seven hundred sixty-five thousand, seven hundred twenty-nine".