101144487 has 8 divisors (see below), whose sum is σ = 135613440. Its totient is φ = 67052600.

The previous prime is 101144447. The next prime is 101144503. The reversal of 101144487 is 784441101.

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

It is a cyclic number.

It is not a de Polignac number, because 101144487 - 2⁷ = 101144359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101144437) 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, 93639 + ... + 94712.

It is an arithmetic number, because the mean of its divisors is an integer number (16951680).

Almost surely, 2^101144487 is an apocalyptic number.

101144487 is a deficient number, since it is larger than the sum of its proper divisors (34468953).

101144487 is a wasteful number, since it uses less digits than its factorization.

101144487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188533.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 101144487 is about 10057.0615489814. The cubic root of 101144487 is about 465.9229166955.

Adding to 101144487 its reverse (784441101), we get a palindrome (885585588).

The spelling of 101144487 in words is "one hundred one million, one hundred forty-four thousand, four hundred eighty-seven".