342486121 has 2 divisors, whose sum is σ = 342486122. Its totient is φ = 342486120.

The previous prime is 342486101. The next prime is 342486139. The reversal of 342486121 is 121684243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230888025 + 111598096 = 15195^2 + 10564^2 .

It is an emirp because it is prime and its reverse (121684243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342486121 - 2⁷ = 342485993 is a prime.

It is not a weakly prime, because it can be changed into another prime (342486101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171243060 + 171243061.

It is an arithmetic number, because the mean of its divisors is an integer number (171243061).

Almost surely, 2^342486121 is an apocalyptic number.

It is an amenable number.

342486121 is a deficient number, since it is larger than the sum of its proper divisors (1).

342486121 is an equidigital number, since it uses as much as digits as its factorization.

342486121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 31.

The square root of 342486121 is about 18506.3805483406. The cubic root of 342486121 is about 699.6502477257.

The spelling of 342486121 in words is "three hundred forty-two million, four hundred eighty-six thousand, one hundred twenty-one".