101240401 has 8 divisors (see below), whose sum is σ = 103177440. Its totient is φ = 99310848.

The previous prime is 101240393. The next prime is 101240413. The reversal of 101240401 is 104042101.

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 101240401 - 2³ = 101240393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101240471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30705 + ... + 33841.

It is an arithmetic number, because the mean of its divisors is an integer number (12897180).

Almost surely, 2^101240401 is an apocalyptic number.

It is an amenable number.

101240401 is a deficient number, since it is larger than the sum of its proper divisors (1937039).

101240401 is an equidigital number, since it uses as much as digits as its factorization.

101240401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 101240401 is about 10061.8289092987. The cubic root of 101240401 is about 466.0701463783.

Adding to 101240401 its reverse (104042101), we get a palindrome (205282502).

The spelling of 101240401 in words is "one hundred one million, two hundred forty thousand, four hundred one".