120694482157 has 4 divisors (see below), whose sum is σ = 127794157596. Its totient is φ = 113594806720.

The previous prime is 120694482133. The next prime is 120694482197. The reversal of 120694482157 is 751284496021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 751284496021 = 1811 ⋅414845111.

It can be written as a sum of positive squares in 2 ways, for example, as 98276607081 + 22417875076 = 313491^2 + 149726^2 .

It is a cyclic number.

It is not a de Polignac number, because 120694482157 - 2¹⁵ = 120694449389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120694482157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120694482107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3549837694 + ... + 3549837727.

It is an arithmetic number, because the mean of its divisors is an integer number (31948539399).

Almost surely, 2^120694482157 is an apocalyptic number.

120694482157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

120694482157 is a deficient number, since it is larger than the sum of its proper divisors (7099675439).

120694482157 is an equidigital number, since it uses as much as digits as its factorization.

120694482157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7099675438.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 120694482157 in words is "one hundred twenty billion, six hundred ninety-four million, four hundred eighty-two thousand, one hundred fifty-seven".