120291841 has 2 divisors, whose sum is σ = 120291842. Its totient is φ = 120291840.

The previous prime is 120291839. The next prime is 120291859. The reversal of 120291841 is 148192021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108076816 + 12215025 = 10396^2 + 3495^2 .

It is an emirp because it is prime and its reverse (148192021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120291841 - 2¹ = 120291839 is a prime.

It is a super-2 number, since 2×120291841² = 28940254022338562, which contains 22 as substring.

Together with 120291839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (120241841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60145920 + 60145921.

It is an arithmetic number, because the mean of its divisors is an integer number (60145921).

Almost surely, 2^120291841 is an apocalyptic number.

It is an amenable number.

120291841 is a deficient number, since it is larger than the sum of its proper divisors (1).

120291841 is an equidigital number, since it uses as much as digits as its factorization.

120291841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 120291841 is about 10967.7637191909. The cubic root of 120291841 is about 493.6419477063.

The spelling of 120291841 in words is "one hundred twenty million, two hundred ninety-one thousand, eight hundred forty-one".