101226813 has 8 divisors (see below), whose sum is σ = 142072800. Its totient is φ = 63932688.

The previous prime is 101226793. The next prime is 101226833. The reversal of 101226813 is 318622101.

It is an interprime number because it is at equal distance from previous prime (101226793) and next prime (101226833).

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

It is not a de Polignac number, because 101226813 - 2⁸ = 101226557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101226833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887898 + ... + 888011.

It is an arithmetic number, because the mean of its divisors is an integer number (17759100).

Almost surely, 2^101226813 is an apocalyptic number.

It is an amenable number.

101226813 is a deficient number, since it is larger than the sum of its proper divisors (40845987).

101226813 is a wasteful number, since it uses less digits than its factorization.

101226813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775931.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 101226813 is about 10061.1536614844. The cubic root of 101226813 is about 466.0492942138.

Adding to 101226813 its reverse (318622101), we get a palindrome (419848914).

The spelling of 101226813 in words is "one hundred one million, two hundred twenty-six thousand, eight hundred thirteen".