101230515 has 24 divisors (see below), whose sum is σ = 176108400. Its totient is φ = 53792064.

The previous prime is 101230511. The next prime is 101230523. The reversal of 101230515 is 515032101.

It is not a de Polignac number, because 101230515 - 2² = 101230511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101230511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8761 + ... + 16709.

It is an arithmetic number, because the mean of its divisors is an integer number (7337850).

Almost surely, 2^101230515 is an apocalyptic number.

101230515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101230515 is a deficient number, since it is larger than the sum of its proper divisors (74877885).

101230515 is a wasteful number, since it uses less digits than its factorization.

101230515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8243 (or 8240 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 101230515 is about 10061.3376347283. The cubic root of 101230515 is about 466.0549754933.

Adding to 101230515 its reverse (515032101), we get a palindrome (616262616).

The spelling of 101230515 in words is "one hundred one million, two hundred thirty thousand, five hundred fifteen".