120822747 has 4 divisors (see below), whose sum is σ = 161097000. Its totient is φ = 80548496.

The previous prime is 120822739. The next prime is 120822773. The reversal of 120822747 is 747228021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120822747 - 2³ = 120822739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120822727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20137122 + ... + 20137127.

It is an arithmetic number, because the mean of its divisors is an integer number (40274250).

Almost surely, 2^120822747 is an apocalyptic number.

120822747 is a deficient number, since it is larger than the sum of its proper divisors (40274253).

120822747 is an equidigital number, since it uses as much as digits as its factorization.

120822747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40274252.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 120822747 is about 10991.9400926315. The cubic root of 120822747 is about 494.3671087096.

The spelling of 120822747 in words is "one hundred twenty million, eight hundred twenty-two thousand, seven hundred forty-seven".