120174213391 has 2 divisors, whose sum is σ = 120174213392. Its totient is φ = 120174213390.

The previous prime is 120174213329. The next prime is 120174213403. The reversal of 120174213391 is 193312471021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120174213391 - 2¹³ = 120174205199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120174213301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60087106695 + 60087106696.

It is an arithmetic number, because the mean of its divisors is an integer number (60087106696).

Almost surely, 2^120174213391 is an apocalyptic number.

120174213391 is a deficient number, since it is larger than the sum of its proper divisors (1).

120174213391 is an equidigital number, since it uses as much as digits as its factorization.

120174213391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 120174213391 in words is "one hundred twenty billion, one hundred seventy-four million, two hundred thirteen thousand, three hundred ninety-one".