1120297697 has 4 divisors (see below), whose sum is σ = 1120366020. Its totient is φ = 1120229376.

The previous prime is 1120297693. The next prime is 1120297699. The reversal of 1120297697 is 7967920211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7967920211 = 24133 ⋅330167.

It can be written as a sum of positive squares in 2 ways, for example, as 330912481 + 789385216 = 18191^2 + 28096^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120297697 - 2² = 1120297693 is a prime.

It is a deceptive number, since it divides R_1120297696.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120297693) 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 3 ways as a sum of consecutive naturals, for example, 6833 + ... + 47825.

It is an arithmetic number, because the mean of its divisors is an integer number (280091505).

Almost surely, 2^1120297697 is an apocalyptic number.

1120297697 is the 27329-th pentagonal number.

It is an amenable number.

1120297697 is a deficient number, since it is larger than the sum of its proper divisors (68323).

1120297697 is an equidigital number, since it uses as much as digits as its factorization.

1120297697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68322.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 1120297697 is about 33470.8484654931. The cubic root of 1120297697 is about 1038.5908235238.

The spelling of 1120297697 in words is "one billion, one hundred twenty million, two hundred ninety-seven thousand, six hundred ninety-seven".