101497969 has 2 divisors, whose sum is σ = 101497970. Its totient is φ = 101497968.

The previous prime is 101497967. The next prime is 101498009. The reversal of 101497969 is 969794101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82137969 + 19360000 = 9063^2 + 4400^2 .

It is an emirp because it is prime and its reverse (969794101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101497969 - 2¹ = 101497967 is a prime.

It is a super-2 number, since 2×101497969² = 20603675422249922, which contains 22 as substring.

Together with 101497967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (101497967) 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, 50748984 + 50748985.

It is an arithmetic number, because the mean of its divisors is an integer number (50748985).

Almost surely, 2^101497969 is an apocalyptic number.

It is an amenable number.

101497969 is a deficient number, since it is larger than the sum of its proper divisors (1).

101497969 is an equidigital number, since it uses as much as digits as its factorization.

101497969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 101497969 is about 10074.6200424631. The cubic root of 101497969 is about 466.4650582088.

The spelling of 101497969 in words is "one hundred one million, four hundred ninety-seven thousand, nine hundred sixty-nine".