120815741 has 2 divisors, whose sum is σ = 120815742. Its totient is φ = 120815740.

The previous prime is 120815707. The next prime is 120815743. The reversal of 120815741 is 147518021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91968100 + 28847641 = 9590^2 + 5371^2 .

It is a cyclic number.

It is not a de Polignac number, because 120815741 - 2¹⁸ = 120553597 is a prime.

It is a Sophie Germain prime.

Together with 120815743, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 120815741 parts by 15544 straight cuts.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120815743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60407870 + 60407871.

It is an arithmetic number, because the mean of its divisors is an integer number (60407871).

Almost surely, 2^120815741 is an apocalyptic number.

It is an amenable number.

120815741 is a deficient number, since it is larger than the sum of its proper divisors (1).

120815741 is an equidigital number, since it uses as much as digits as its factorization.

120815741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 120815741 is about 10991.6213999573. The cubic root of 120815741 is about 494.3575531058.

The spelling of 120815741 in words is "one hundred twenty million, eight hundred fifteen thousand, seven hundred forty-one".