342124129 has 2 divisors, whose sum is σ = 342124130. Its totient is φ = 342124128.

The previous prime is 342124117. The next prime is 342124171. The reversal of 342124129 is 921421243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337714129 + 4410000 = 18377^2 + 2100^2 .

It is a cyclic number.

It is not a de Polignac number, because 342124129 - 2¹⁵ = 342091361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342124097 and 342124106.

It is not a weakly prime, because it can be changed into another prime (342124229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171062064 + 171062065.

It is an arithmetic number, because the mean of its divisors is an integer number (171062065).

Almost surely, 2^342124129 is an apocalyptic number.

It is an amenable number.

342124129 is a deficient number, since it is larger than the sum of its proper divisors (1).

342124129 is an equidigital number, since it uses as much as digits as its factorization.

342124129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 342124129 is about 18496.5977682384. The cubic root of 342124129 is about 699.4036615040.

The spelling of 342124129 in words is "three hundred forty-two million, one hundred twenty-four thousand, one hundred twenty-nine".