101601427 has 2 divisors, whose sum is σ = 101601428. Its totient is φ = 101601426.

The previous prime is 101601391. The next prime is 101601449. The reversal of 101601427 is 724106101.

It is an a-pointer prime, because the next prime (101601449) can be obtained adding 101601427 to its sum of digits (22).

It is a strong prime.

It is an emirp because it is prime and its reverse (724106101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101601427 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 101601398 and 101601407.

It is not a weakly prime, because it can be changed into another prime (101601457) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50800713 + 50800714.

It is an arithmetic number, because the mean of its divisors is an integer number (50800714).

Almost surely, 2^101601427 is an apocalyptic number.

101601427 is a deficient number, since it is larger than the sum of its proper divisors (1).

101601427 is an equidigital number, since it uses as much as digits as its factorization.

101601427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 101601427 is about 10079.7533203943. The cubic root of 101601427 is about 466.6234953828.

Adding to 101601427 its reverse (724106101), we get a palindrome (825707528).

The spelling of 101601427 in words is "one hundred one million, six hundred one thousand, four hundred twenty-seven".