101001401 has 4 divisors (see below), whose sum is σ = 101090304. Its totient is φ = 100912500.

The previous prime is 101001391. The next prime is 101001427. The reversal of 101001401 is 104100101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 104100101 = 7 ⋅14871443.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101001401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101001001) 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 3 ways as a sum of consecutive naturals, for example, 42725 + ... + 45026.

It is an arithmetic number, because the mean of its divisors is an integer number (25272576).

Almost surely, 2^101001401 is an apocalyptic number.

It is an amenable number.

101001401 is a deficient number, since it is larger than the sum of its proper divisors (88903).

101001401 is an equidigital number, since it uses as much as digits as its factorization.

101001401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88902.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 101001401 is about 10049.9453232344. The cubic root of 101001401 is about 465.7031040610.

Adding to 101001401 its reverse (104100101), we get a palindrome (205101502).

The spelling of 101001401 in words is "one hundred one million, one thousand, four hundred one".