101274947 has 2 divisors, whose sum is σ = 101274948. Its totient is φ = 101274946.

The previous prime is 101274941. The next prime is 101274949. The reversal of 101274947 is 749472101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101274947 - 2¹⁰ = 101273923 is a prime.

It is a super-2 number, since 2×101274947² = 20513229779705618, which contains 22 as substring.

Together with 101274949, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (101274941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50637473 + 50637474.

It is an arithmetic number, because the mean of its divisors is an integer number (50637474).

Almost surely, 2^101274947 is an apocalyptic number.

101274947 is a deficient number, since it is larger than the sum of its proper divisors (1).

101274947 is an equidigital number, since it uses as much as digits as its factorization.

101274947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 101274947 is about 10063.5454487969. The cubic root of 101274947 is about 466.1231523196.

The spelling of 101274947 in words is "one hundred one million, two hundred seventy-four thousand, nine hundred forty-seven".