120234151447 has 2 divisors, whose sum is σ = 120234151448. Its totient is φ = 120234151446.

The previous prime is 120234151421. The next prime is 120234151501. The reversal of 120234151447 is 744151432021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120234151447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120234151417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60117075723 + 60117075724.

It is an arithmetic number, because the mean of its divisors is an integer number (60117075724).

Almost surely, 2^120234151447 is an apocalyptic number.

120234151447 is a deficient number, since it is larger than the sum of its proper divisors (1).

120234151447 is an equidigital number, since it uses as much as digits as its factorization.

120234151447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 34.

Adding to 120234151447 its reverse (744151432021), we get a palindrome (864385583468).

The spelling of 120234151447 in words is "one hundred twenty billion, two hundred thirty-four million, one hundred fifty-one thousand, four hundred forty-seven".