101140401 has 16 divisors (see below), whose sum is σ = 143553600. Its totient is φ = 63157248.

The previous prime is 101140373. The next prime is 101140409. The reversal of 101140401 is 104041101.

It is not a de Polignac number, because 101140401 - 2⁹ = 101139889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101140409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4896 + ... + 15041.

It is an arithmetic number, because the mean of its divisors is an integer number (8972100).

Almost surely, 2^101140401 is an apocalyptic number.

It is an amenable number.

101140401 is a deficient number, since it is larger than the sum of its proper divisors (42413199).

101140401 is a wasteful number, since it uses less digits than its factorization.

101140401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20048.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 101140401 is about 10056.8584060829. The cubic root of 101140401 is about 465.9166425467.

Adding to 101140401 its reverse (104041101), we get a palindrome (205181502).

It can be divided in two parts, 10 and 1140401, that added together give a palindrome (1140411).

The spelling of 101140401 in words is "one hundred one million, one hundred forty thousand, four hundred one".