101244405 has 8 divisors (see below), whose sum is σ = 161991072. Its totient is φ = 53997008.

The previous prime is 101244397. The next prime is 101244421. The reversal of 101244405 is 504442101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 101244405 - 2³ = 101244397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3374799 + ... + 3374828.

It is an arithmetic number, because the mean of its divisors is an integer number (20248884).

Almost surely, 2^101244405 is an apocalyptic number.

101244405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101244405 is a deficient number, since it is larger than the sum of its proper divisors (60746667).

101244405 is an equidigital number, since it uses as much as digits as its factorization.

101244405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6749635.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 101244405 is about 10062.0278771230. The cubic root of 101244405 is about 466.0762905666.

Adding to 101244405 its reverse (504442101), we get a palindrome (605686506).

The spelling of 101244405 in words is "one hundred one million, two hundred forty-four thousand, four hundred five".