101204115 has 16 divisors (see below), whose sum is σ = 162230688. Its totient is φ = 53874176.

The previous prime is 101204107. The next prime is 101204123. The reversal of 101204115 is 511402101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101204107) and next prime (101204123).

It is a cyclic number.

It is not a de Polignac number, because 101204115 - 2³ = 101204107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 101204094 and 101204103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2299 + ... + 14411.

It is an arithmetic number, because the mean of its divisors is an integer number (10139418).

Almost surely, 2^101204115 is an apocalyptic number.

101204115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101204115 is a deficient number, since it is larger than the sum of its proper divisors (61026573).

101204115 is a wasteful number, since it uses less digits than its factorization.

101204115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12678.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 101204115 is about 10060.0255963889. The cubic root of 101204115 is about 466.0144576676.

Adding to 101204115 its reverse (511402101), we get a palindrome (612606216).

The spelling of 101204115 in words is "one hundred one million, two hundred four thousand, one hundred fifteen".