98992129 has 2 divisors, whose sum is σ = 98992130. Its totient is φ = 98992128.

The previous prime is 98992123. The next prime is 98992151. The reversal of 98992129 is 92129989.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85655025 + 13337104 = 9255^2 + 3652^2 .

It is a cyclic number.

It is not a de Polignac number, because 98992129 - 2³ = 98992121 is a prime.

It is not a weakly prime, because it can be changed into another prime (98992121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49496064 + 49496065.

It is an arithmetic number, because the mean of its divisors is an integer number (49496065).

It is a Proth number, since it is equal to 3021 ⋅ 2¹⁵ + 1 and 3021 < 2¹⁵.

Almost surely, 2^98992129 is an apocalyptic number.

It is an amenable number.

98992129 is a deficient number, since it is larger than the sum of its proper divisors (1).

98992129 is an equidigital number, since it uses as much as digits as its factorization.

98992129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 49.

The square root of 98992129 is about 9949.4788305720. The cubic root of 98992129 is about 462.5942407423.

The spelling of 98992129 in words is "ninety-eight million, nine hundred ninety-two thousand, one hundred twenty-nine".