97400129 has 2 divisors, whose sum is σ = 97400130. Its totient is φ = 97400128.

The previous prime is 97400063. The next prime is 97400141. The reversal of 97400129 is 92100479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79566400 + 17833729 = 8920^2 + 4223^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97400129 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 97400095 and 97400104.

It is not a weakly prime, because it can be changed into another prime (97400159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48700064 + 48700065.

It is an arithmetic number, because the mean of its divisors is an integer number (48700065).

Almost surely, 2^97400129 is an apocalyptic number.

It is an amenable number.

97400129 is a deficient number, since it is larger than the sum of its proper divisors (1).

97400129 is an equidigital number, since it uses as much as digits as its factorization.

97400129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 97400129 is about 9869.1503686994. The cubic root of 97400129 is about 460.1010001915.

The spelling of 97400129 in words is "ninety-seven million, four hundred thousand, one hundred twenty-nine".