120552101 has 4 divisors (see below), whose sum is σ = 124709100. Its totient is φ = 116395104.

The previous prime is 120552097. The next prime is 120552121. The reversal of 120552101 is 101255021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28890625 + 91661476 = 5375^2 + 9574^2 .

It is a cyclic number.

It is not a de Polignac number, because 120552101 - 2² = 120552097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120552101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120552121) 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 3 ways as a sum of consecutive naturals, for example, 2078456 + ... + 2078513.

It is an arithmetic number, because the mean of its divisors is an integer number (31177275).

Almost surely, 2^120552101 is an apocalyptic number.

It is an amenable number.

120552101 is a deficient number, since it is larger than the sum of its proper divisors (4156999).

120552101 is an equidigital number, since it uses as much as digits as its factorization.

120552101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156998.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 120552101 is about 10979.6220791064. The cubic root of 120552101 is about 493.9977011481.

The spelling of 120552101 in words is "one hundred twenty million, five hundred fifty-two thousand, one hundred one".