98231129 has 2 divisors, whose sum is σ = 98231130. Its totient is φ = 98231128.

The previous prime is 98231123. The next prime is 98231131. The reversal of 98231129 is 92113289.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82446400 + 15784729 = 9080^2 + 3973^2 .

It is a cyclic number.

It is not a de Polignac number, because 98231129 - 2¹² = 98227033 is a prime.

It is a super-2 number, since 2×98231129² = 19298709409229282, which contains 22 as substring.

Together with 98231131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98231123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49115564 + 49115565.

It is an arithmetic number, because the mean of its divisors is an integer number (49115565).

Almost surely, 2^98231129 is an apocalyptic number.

It is an amenable number.

98231129 is a deficient number, since it is larger than the sum of its proper divisors (1).

98231129 is an equidigital number, since it uses as much as digits as its factorization.

98231129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 35.

The square root of 98231129 is about 9911.1618390580. The cubic root of 98231129 is about 461.4057954972.

The spelling of 98231129 in words is "ninety-eight million, two hundred thirty-one thousand, one hundred twenty-nine".