47200129 has 2 divisors, whose sum is σ = 47200130. Its totient is φ = 47200128.

The previous prime is 47200099. The next prime is 47200133. The reversal of 47200129 is 92100274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26543104 + 20657025 = 5152^2 + 4545^2 .

It is a cyclic number.

It is not a de Polignac number, because 47200129 - 2⁷ = 47200001 is a prime.

It is not a weakly prime, because it can be changed into another prime (47200169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23600064 + 23600065.

It is an arithmetic number, because the mean of its divisors is an integer number (23600065).

Almost surely, 2^47200129 is an apocalyptic number.

It is an amenable number.

47200129 is a deficient number, since it is larger than the sum of its proper divisors (1).

47200129 is an equidigital number, since it uses as much as digits as its factorization.

47200129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 47200129 is about 6870.2350032586. The cubic root of 47200129 is about 361.3941030998.

The spelling of 47200129 in words is "forty-seven million, two hundred thousand, one hundred twenty-nine".