120722147 has 16 divisors (see below), whose sum is σ = 155043840. Its totient is φ = 91361952.

The previous prime is 120722093. The next prime is 120722149. The reversal of 120722147 is 741227021.

It is a cyclic number.

It is not a de Polignac number, because 120722147 - 2¹⁰ = 120721123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120722149) 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 15 ways as a sum of consecutive naturals, for example, 26747 + ... + 30932.

It is an arithmetic number, because the mean of its divisors is an integer number (9690240).

Almost surely, 2^120722147 is an apocalyptic number.

120722147 is a deficient number, since it is larger than the sum of its proper divisors (34321693).

120722147 is a wasteful number, since it uses less digits than its factorization.

120722147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57722.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 120722147 is about 10987.3630594424. The cubic root of 120722147 is about 494.2298631941.

Adding to 120722147 its reverse (741227021), we get a palindrome (861949168).

The spelling of 120722147 in words is "one hundred twenty million, seven hundred twenty-two thousand, one hundred forty-seven".