120172054540607 has 2 divisors, whose sum is σ = 120172054540608. Its totient is φ = 120172054540606.

The previous prime is 120172054540591. The next prime is 120172054540613. The reversal of 120172054540607 is 706045450271021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120172054540607 - 2⁴ = 120172054540591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120172054540697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60086027270303 + 60086027270304.

It is an arithmetic number, because the mean of its divisors is an integer number (60086027270304).

Almost surely, 2^{120172054540607} is an apocalyptic number.

120172054540607 is a deficient number, since it is larger than the sum of its proper divisors (1).

120172054540607 is an equidigital number, since it uses as much as digits as its factorization.

120172054540607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 120172054540607 in words is "one hundred twenty trillion, one hundred seventy-two billion, fifty-four million, five hundred forty thousand, six hundred seven".