101074391 has 8 divisors (see below), whose sum is σ = 111909504. Its totient is φ = 90513720.

The previous prime is 101074387. The next prime is 101074399. The reversal of 101074391 is 193470101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101074391 - 2² = 101074387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101074391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101074399) 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 in 7 ways as a sum of consecutive naturals, for example, 67835 + ... + 69308.

It is an arithmetic number, because the mean of its divisors is an integer number (13988688).

Almost surely, 2^101074391 is an apocalyptic number.

101074391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101074391 is a deficient number, since it is larger than the sum of its proper divisors (10835113).

101074391 is a wasteful number, since it uses less digits than its factorization.

101074391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137221.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 101074391 is about 10053.5760304481. The cubic root of 101074391 is about 465.8152592203.

The spelling of 101074391 in words is "one hundred one million, seventy-four thousand, three hundred ninety-one".