101227287 has 12 divisors (see below), whose sum is σ = 157005816. Its totient is φ = 57844080.

The previous prime is 101227279. The next prime is 101227337. The reversal of 101227287 is 782722101.

It is a happy number.

It is not a de Polignac number, because 101227287 - 2³ = 101227279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101227207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344164 + ... + 344457.

It is an arithmetic number, because the mean of its divisors is an integer number (13083818).

Almost surely, 2^101227287 is an apocalyptic number.

101227287 is a deficient number, since it is larger than the sum of its proper divisors (55778529).

101227287 is an equidigital number, since it uses as much as digits as its factorization.

101227287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688638 (or 688631 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 101227287 is about 10061.1772174035. The cubic root of 101227287 is about 466.0500216463.

Adding to 101227287 its reverse (782722101), we get a palindrome (883949388).

The spelling of 101227287 in words is "one hundred one million, two hundred twenty-seven thousand, two hundred eighty-seven".