101140001 has 4 divisors (see below), whose sum is σ = 101368752. Its totient is φ = 100911252.

The previous prime is 101139979. The next prime is 101140009. The reversal of 101140001 is 100041101.

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: 100041101 = 2591 ⋅38611.

It is a cyclic number.

It is not a de Polignac number, because 101140001 - 2⁶ = 101139937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101140009) 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, 113711 + ... + 114596.

It is an arithmetic number, because the mean of its divisors is an integer number (25342188).

Almost surely, 2^101140001 is an apocalyptic number.

It is an amenable number.

101140001 is a deficient number, since it is larger than the sum of its proper divisors (228751).

101140001 is an equidigital number, since it uses as much as digits as its factorization.

101140001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228750.

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

The square root of 101140001 is about 10056.8385191371. The cubic root of 101140001 is about 465.9160283283.

Adding to 101140001 its reverse (100041101), we get a palindrome (201181102).

The spelling of 101140001 in words is "one hundred one million, one hundred forty thousand, one".