120561475 has 24 divisors (see below), whose sum is σ = 152990208. Its totient is φ = 94221600.

The previous prime is 120561473. The next prime is 120561487. The reversal of 120561475 is 574165021.

It is not a de Polignac number, because 120561475 - 2¹ = 120561473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120561473) 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 in 23 ways as a sum of consecutive naturals, for example, 279510 + ... + 279940.

It is an arithmetic number, because the mean of its divisors is an integer number (6374592).

Almost surely, 2^120561475 is an apocalyptic number.

120561475 is a deficient number, since it is larger than the sum of its proper divisors (32428733).

120561475 is a wasteful number, since it uses less digits than its factorization.

120561475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 120561475 is about 10980.0489525320. The cubic root of 120561475 is about 494.0105050572.

It can be divided in two parts, 12056 and 1475, that added together give a palindrome (13531).

The spelling of 120561475 in words is "one hundred twenty million, five hundred sixty-one thousand, four hundred seventy-five".