101440115 has 32 divisors (see below), whose sum is σ = 145152000. Its totient is φ = 66584448.

The previous prime is 101440111. The next prime is 101440121. The reversal of 101440115 is 511044101.

It is not a de Polignac number, because 101440115 - 2² = 101440111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101440093 and 101440102.

It is not an unprimeable number, because it can be changed into a prime (101440111) 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, 140726 + ... + 141444.

It is an arithmetic number, because the mean of its divisors is an integer number (4536000).

Almost surely, 2^101440115 is an apocalyptic number.

101440115 is a deficient number, since it is larger than the sum of its proper divisors (43711885).

101440115 is a wasteful number, since it uses less digits than its factorization.

101440115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 101440115 is about 10071.7483586515. The cubic root of 101440115 is about 466.3764127614.

Adding to 101440115 its reverse (511044101), we get a palindrome (612484216).

The spelling of 101440115 in words is "one hundred one million, four hundred forty thousand, one hundred fifteen".