980120653 has 2 divisors, whose sum is σ = 980120654. Its totient is φ = 980120652.

The previous prime is 980120651. The next prime is 980120663. The reversal of 980120653 is 356021089.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 766902249 + 213218404 = 27693^2 + 14602^2 .

It is a cyclic number.

It is not a de Polignac number, because 980120653 - 2¹ = 980120651 is a prime.

Together with 980120651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980120651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490060326 + 490060327.

It is an arithmetic number, because the mean of its divisors is an integer number (490060327).

Almost surely, 2^980120653 is an apocalyptic number.

It is an amenable number.

980120653 is a deficient number, since it is larger than the sum of its proper divisors (1).

980120653 is an equidigital number, since it uses as much as digits as its factorization.

980120653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 980120653 is about 31306.8786850430. The cubic root of 980120653 is about 993.3291497079.

The spelling of 980120653 in words is "nine hundred eighty million, one hundred twenty thousand, six hundred fifty-three".