120206507 has 4 divisors (see below), whose sum is σ = 127277496. Its totient is φ = 113135520.

The previous prime is 120206503. The next prime is 120206519. The reversal of 120206507 is 705602021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 705602021 = 5233 ⋅134837.

It is a cyclic number.

It is not a de Polignac number, because 120206507 - 2² = 120206503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120206501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3535469 + ... + 3535502.

It is an arithmetic number, because the mean of its divisors is an integer number (31819374).

Almost surely, 2^120206507 is an apocalyptic number.

120206507 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

120206507 is a deficient number, since it is larger than the sum of its proper divisors (7070989).

120206507 is an equidigital number, since it uses as much as digits as its factorization.

120206507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7070988.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 120206507 is about 10963.8728102801. The cubic root of 120206507 is about 493.5251916391.

Adding to 120206507 its reverse (705602021), we get a palindrome (825808528).

The spelling of 120206507 in words is "one hundred twenty million, two hundred six thousand, five hundred seven".