120506203 has 2 divisors, whose sum is σ = 120506204. Its totient is φ = 120506202.

The previous prime is 120506179. The next prime is 120506219. The reversal of 120506203 is 302605021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (302605021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120506203 - 2²¹ = 118409051 is a prime.

It is a super-2 number, since 2×120506203² = 29043489922954418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120506273) 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 as a sum of consecutive naturals, namely, 60253101 + 60253102.

It is an arithmetic number, because the mean of its divisors is an integer number (60253102).

Almost surely, 2^120506203 is an apocalyptic number.

120506203 is a deficient number, since it is larger than the sum of its proper divisors (1).

120506203 is an equidigital number, since it uses as much as digits as its factorization.

120506203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 120506203 is about 10977.5317353219. The cubic root of 120506203 is about 493.9349996705.

The spelling of 120506203 in words is "one hundred twenty million, five hundred six thousand, two hundred three".