101140441 has 4 divisors (see below), whose sum is σ = 101227984. Its totient is φ = 101052900.

The previous prime is 101140433. The next prime is 101140451. The reversal of 101140441 is 144041101.

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.

It is a cyclic number.

It is not a de Polignac number, because 101140441 - 2³ = 101140433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101140411) 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, 42015 + ... + 44356.

It is an arithmetic number, because the mean of its divisors is an integer number (25306996).

Almost surely, 2^101140441 is an apocalyptic number.

It is an amenable number.

101140441 is a deficient number, since it is larger than the sum of its proper divisors (87543).

101140441 is an equidigital number, since it uses as much as digits as its factorization.

101140441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87542.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 101140441 is about 10056.8603947753. The cubic root of 101140441 is about 465.9167039685.

Adding to 101140441 its reverse (144041101), we get a palindrome (245181542).

The spelling of 101140441 in words is "one hundred one million, one hundred forty thousand, four hundred forty-one".