101440587 has 8 divisors (see below), whose sum is σ = 139617280. Its totient is φ = 65445480.

The previous prime is 101440583. The next prime is 101440597. The reversal of 101440587 is 785044101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101440587 - 2² = 101440583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101440583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545287 + ... + 545472.

It is an arithmetic number, because the mean of its divisors is an integer number (17452160).

Almost surely, 2^101440587 is an apocalyptic number.

101440587 is a deficient number, since it is larger than the sum of its proper divisors (38176693).

101440587 is a wasteful number, since it uses less digits than its factorization.

101440587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090793.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 101440587 is about 10071.7717905044. The cubic root of 101440587 is about 466.3771361088.

Adding to 101440587 its reverse (785044101), we get a palindrome (886484688).

The spelling of 101440587 in words is "one hundred one million, four hundred forty thousand, five hundred eighty-seven".