97118929 has 2 divisors, whose sum is σ = 97118930. Its totient is φ = 97118928.

The previous prime is 97118927. The next prime is 97118963. The reversal of 97118929 is 92981179.

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., 64320400 + 32798529 = 8020^2 + 5727^2 .

It is a cyclic number.

It is not a de Polignac number, because 97118929 - 2¹ = 97118927 is a prime.

Together with 97118927, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (97118921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48559464 + 48559465.

It is an arithmetic number, because the mean of its divisors is an integer number (48559465).

Almost surely, 2^97118929 is an apocalyptic number.

It is an amenable number.

97118929 is a deficient number, since it is larger than the sum of its proper divisors (1).

97118929 is an equidigital number, since it uses as much as digits as its factorization.

97118929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 46.

The square root of 97118929 is about 9854.8936574678. The cubic root of 97118929 is about 459.6577936909.

It can be divided in two parts, 971 and 18929, that added together give a triangular number (19900 = T₁₉₉).

The spelling of 97118929 in words is "ninety-seven million, one hundred eighteen thousand, nine hundred twenty-nine".