141121815 has 16 divisors (see below), whose sum is σ = 226133856. Its totient is φ = 75152000.

The previous prime is 141121807. The next prime is 141121819. The reversal of 141121815 is 518121141.

It is not a de Polignac number, because 141121815 - 2³ = 141121807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141121819) 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 15 ways as a sum of consecutive naturals, for example, 3805 + ... + 17225.

It is an arithmetic number, because the mean of its divisors is an integer number (14133366).

Almost surely, 2^141121815 is an apocalyptic number.

141121815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

141121815 is a deficient number, since it is larger than the sum of its proper divisors (85012041).

141121815 is a wasteful number, since it uses less digits than its factorization.

141121815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14130.

The product of its digits is 320, while the sum is 24.

The square root of 141121815 is about 11879.4703164746. The cubic root of 141121815 is about 520.6326311639.

Adding to 141121815 its reverse (518121141), we get a palindrome (659242956).

The spelling of 141121815 in words is "one hundred forty-one million, one hundred twenty-one thousand, eight hundred fifteen".