120971633 has 2 divisors, whose sum is σ = 120971634. Its totient is φ = 120971632.

The previous prime is 120971623. The next prime is 120971671. The reversal of 120971633 is 336179021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107081104 + 13890529 = 10348^2 + 3727^2 .

It is a cyclic number.

It is not a de Polignac number, because 120971633 - 2⁸ = 120971377 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120971633.

It is not a weakly prime, because it can be changed into another prime (120971623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60485816 + 60485817.

It is an arithmetic number, because the mean of its divisors is an integer number (60485817).

Almost surely, 2^120971633 is an apocalyptic number.

It is an amenable number.

120971633 is a deficient number, since it is larger than the sum of its proper divisors (1).

120971633 is an equidigital number, since it uses as much as digits as its factorization.

120971633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 120971633 is about 10998.7105153286. The cubic root of 120971633 is about 494.5700896063.

The spelling of 120971633 in words is "one hundred twenty million, nine hundred seventy-one thousand, six hundred thirty-three".