298270129 has 2 divisors, whose sum is σ = 298270130. Its totient is φ = 298270128.

The previous prime is 298270123. The next prime is 298270139. The reversal of 298270129 is 921072892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 296631729 + 1638400 = 17223^2 + 1280^2 .

It is a cyclic number.

It is not a de Polignac number, because 298270129 - 2⁷ = 298270001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 298270091 and 298270100.

It is not a weakly prime, because it can be changed into another prime (298270123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149135064 + 149135065.

It is an arithmetic number, because the mean of its divisors is an integer number (149135065).

Almost surely, 2^298270129 is an apocalyptic number.

It is an amenable number.

298270129 is a deficient number, since it is larger than the sum of its proper divisors (1).

298270129 is an equidigital number, since it uses as much as digits as its factorization.

298270129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 298270129 is about 17270.4988057670. The cubic root of 298270129 is about 668.1437660435.

The spelling of 298270129 in words is "two hundred ninety-eight million, two hundred seventy thousand, one hundred twenty-nine".