120078355357057 has 2 divisors, whose sum is σ = 120078355357058. Its totient is φ = 120078355357056.

The previous prime is 120078355357043. The next prime is 120078355357117. The reversal of 120078355357057 is 750753553870021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81422180683776 + 38656174673281 = 9023424^2 + 6217409^2 .

It is a cyclic number.

It is not a de Polignac number, because 120078355357057 - 2¹⁵ = 120078355324289 is a prime.

It is a super-2 number, since 2×120078355357057² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120078355356992 and 120078355357010.

It is not a weakly prime, because it can be changed into another prime (120078355327057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60039177678528 + 60039177678529.

It is an arithmetic number, because the mean of its divisors is an integer number (60039177678529).

Almost surely, 2^{120078355357057} is an apocalyptic number.

It is an amenable number.

120078355357057 is a deficient number, since it is larger than the sum of its proper divisors (1).

120078355357057 is an equidigital number, since it uses as much as digits as its factorization.

120078355357057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30870000, while the sum is 58.

The spelling of 120078355357057 in words is "one hundred twenty trillion, seventy-eight billion, three hundred fifty-five million, three hundred fifty-seven thousand, fifty-seven".