120546171157 has 2 divisors, whose sum is σ = 120546171158. Its totient is φ = 120546171156.

The previous prime is 120546171143. The next prime is 120546171211. The reversal of 120546171157 is 751171645021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110959607236 + 9586563921 = 333106^2 + 97911^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120546171157 is a prime.

It is a super-2 number, since 2×120546171157² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120546171857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60273085578 + 60273085579.

It is an arithmetic number, because the mean of its divisors is an integer number (60273085579).

Almost surely, 2^120546171157 is an apocalyptic number.

It is an amenable number.

120546171157 is a deficient number, since it is larger than the sum of its proper divisors (1).

120546171157 is an equidigital number, since it uses as much as digits as its factorization.

120546171157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 40.

The spelling of 120546171157 in words is "one hundred twenty billion, five hundred forty-six million, one hundred seventy-one thousand, one hundred fifty-seven".