120569242 has 4 divisors (see below), whose sum is σ = 180853866. Its totient is φ = 60284620.

The previous prime is 120569227. The next prime is 120569257. The reversal of 120569242 is 242965021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242965021 = 13 ⋅18689617.

It is an interprime number because it is at equal distance from previous prime (120569227) and next prime (120569257).

It can be written as a sum of positive squares in only one way, i.e., 100220121 + 20349121 = 10011^2 + 4511^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30142309 + ... + 30142312.

Almost surely, 2^120569242 is an apocalyptic number.

120569242 is a deficient number, since it is larger than the sum of its proper divisors (60284624).

120569242 is an equidigital number, since it uses as much as digits as its factorization.

120569242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60284623.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 120569242 is about 10980.4026337835. The cubic root of 120569242 is about 494.0211134687.

The spelling of 120569242 in words is "one hundred twenty million, five hundred sixty-nine thousand, two hundred forty-two".