120135797245 has 4 divisors (see below), whose sum is σ = 144162956700. Its totient is φ = 96108637792.

The previous prime is 120135797233. The next prime is 120135797261. The reversal of 120135797245 is 542797531021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542797531021 = 1949 ⋅278500529.

It can be written as a sum of positive squares in 2 ways, for example, as 46882209529 + 73253587716 = 216523^2 + 270654^2 .

It is a cyclic number.

It is not a de Polignac number, because 120135797245 - 2²³ = 120127408637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120135797195 and 120135797204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12013579720 + ... + 12013579729.

It is an arithmetic number, because the mean of its divisors is an integer number (36040739175).

Almost surely, 2^120135797245 is an apocalyptic number.

It is an amenable number.

120135797245 is a deficient number, since it is larger than the sum of its proper divisors (24027159455).

120135797245 is an equidigital number, since it uses as much as digits as its factorization.

120135797245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24027159454.

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 120135797245 in words is "one hundred twenty billion, one hundred thirty-five million, seven hundred ninety-seven thousand, two hundred forty-five".