101420071 has 4 divisors (see below), whose sum is σ = 104161192. Its totient is φ = 98678952.

The previous prime is 101420063. The next prime is 101420089. The reversal of 101420071 is 170024101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101420071 - 2³ = 101420063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101420171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1370505 + ... + 1370578.

It is an arithmetic number, because the mean of its divisors is an integer number (26040298).

Almost surely, 2^101420071 is an apocalyptic number.

101420071 is a deficient number, since it is larger than the sum of its proper divisors (2741121).

101420071 is an equidigital number, since it uses as much as digits as its factorization.

101420071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741120.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 101420071 is about 10070.7532488886. The cubic root of 101420071 is about 466.3456929468.

Adding to 101420071 its reverse (170024101), we get a palindrome (271444172).

The spelling of 101420071 in words is "one hundred one million, four hundred twenty thousand, seventy-one".