101378791 has 2 divisors, whose sum is σ = 101378792. Its totient is φ = 101378790.

The previous prime is 101378777. The next prime is 101378801. The reversal of 101378791 is 197873101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101378791 - 2¹⁹ = 100854503 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101378791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101378591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50689395 + 50689396.

It is an arithmetic number, because the mean of its divisors is an integer number (50689396).

Almost surely, 2^101378791 is an apocalyptic number.

101378791 is a deficient number, since it is larger than the sum of its proper divisors (1).

101378791 is an equidigital number, since it uses as much as digits as its factorization.

101378791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 37.

The square root of 101378791 is about 10068.7035411715. The cubic root of 101378791 is about 466.2824136819.

The spelling of 101378791 in words is "one hundred one million, three hundred seventy-eight thousand, seven hundred ninety-one".