101224401 has 4 divisors (see below), whose sum is σ = 134965872. Its totient is φ = 67482932.

The previous prime is 101224399. The next prime is 101224421. The reversal of 101224401 is 104422101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101224401 - 2¹ = 101224399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101224421) 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, 16870731 + ... + 16870736.

It is an arithmetic number, because the mean of its divisors is an integer number (33741468).

Almost surely, 2^101224401 is an apocalyptic number.

It is an amenable number.

101224401 is a deficient number, since it is larger than the sum of its proper divisors (33741471).

101224401 is an equidigital number, since it uses as much as digits as its factorization.

101224401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33741470.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 101224401 is about 10061.0337938007. The cubic root of 101224401 is about 466.0455925600.

Adding to 101224401 its reverse (104422101), we get a palindrome (205646502).

The spelling of 101224401 in words is "one hundred one million, two hundred twenty-four thousand, four hundred one".