120012247 has 2 divisors, whose sum is σ = 120012248. Its totient is φ = 120012246.

The previous prime is 120012241. The next prime is 120012251. The reversal of 120012247 is 742210021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120012247 - 2³ = 120012239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120012241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006123 + 60006124.

It is an arithmetic number, because the mean of its divisors is an integer number (60006124).

Almost surely, 2^120012247 is an apocalyptic number.

120012247 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012247 is an equidigital number, since it uses as much as digits as its factorization.

120012247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 120012247 is about 10955.0101323550. The cubic root of 120012247 is about 493.2591941282.

Adding to 120012247 its reverse (742210021), we get a palindrome (862222268).

The spelling of 120012247 in words is "one hundred twenty million, twelve thousand, two hundred forty-seven".