101272739 has 2 divisors, whose sum is σ = 101272740. Its totient is φ = 101272738.

The previous prime is 101272709. The next prime is 101272741. The reversal of 101272739 is 937272101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101272739 - 2¹⁶ = 101207203 is a prime.

Together with 101272741, 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 (101272709) 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, 50636369 + 50636370.

It is an arithmetic number, because the mean of its divisors is an integer number (50636370).

Almost surely, 2^101272739 is an apocalyptic number.

101272739 is a deficient number, since it is larger than the sum of its proper divisors (1).

101272739 is an equidigital number, since it uses as much as digits as its factorization.

101272739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 101272739 is about 10063.4357453108. The cubic root of 101272739 is about 466.1197648172.

The spelling of 101272739 in words is "one hundred one million, two hundred seventy-two thousand, seven hundred thirty-nine".