101027115 has 32 divisors (see below), whose sum is σ = 205263360. Its totient is φ = 46183392.

The previous prime is 101027099. The next prime is 101027117. The reversal of 101027115 is 511720101.

It is a happy number.

It is not a de Polignac number, because 101027115 - 2⁴ = 101027099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101027117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52509 + ... + 54398.

It is an arithmetic number, because the mean of its divisors is an integer number (6414480).

Almost surely, 2^101027115 is an apocalyptic number.

101027115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101027115 is an abundant number, since it is smaller than the sum of its proper divisors (104236245).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101027115 is a wasteful number, since it uses less digits than its factorization.

101027115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106928 (or 106922 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 101027115 is about 10051.2245522623. The cubic root of 101027115 is about 465.7426219072.

Adding to 101027115 its reverse (511720101), we get a palindrome (612747216).

The spelling of 101027115 in words is "one hundred one million, twenty-seven thousand, one hundred fifteen".