101000115 has 20 divisors (see below), whose sum is σ = 181052784. Its totient is φ = 53866512.

The previous prime is 101000113. The next prime is 101000117. The reversal of 101000115 is 511000101.

It is an interprime number because it is at equal distance from previous prime (101000113) and next prime (101000117).

It is not a de Polignac number, because 101000115 - 2¹ = 101000113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101000097 and 101000106.

It is not an unprimeable number, because it can be changed into a prime (101000113) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 124287 + ... + 125096.

Almost surely, 2^101000115 is an apocalyptic number.

101000115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101000115 is a deficient number, since it is larger than the sum of its proper divisors (80052669).

101000115 is an equidigital number, since it uses as much as digits as its factorization.

101000115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249400 (or 249391 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 9.

The square root of 101000115 is about 10049.8813425831. The cubic root of 101000115 is about 465.7011275315.

Adding to 101000115 its reverse (511000101), we get a palindrome (612000216).

The spelling of 101000115 in words is "one hundred one million, one hundred fifteen", and thus it is an aban number.