141878121 has 32 divisors (see below), whose sum is σ = 243993600. Its totient is φ = 71158080.

The previous prime is 141878119. The next prime is 141878153. The reversal of 141878121 is 121878141.

141878121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 141878121 - 2¹ = 141878119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (141878161) 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, 3891 + ... + 17288.

It is an arithmetic number, because the mean of its divisors is an integer number (7624800).

Almost surely, 2^141878121 is an apocalyptic number.

141878121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

141878121 is a deficient number, since it is larger than the sum of its proper divisors (102115479).

141878121 is a wasteful number, since it uses less digits than its factorization.

141878121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21229.

The product of its digits is 3584, while the sum is 33.

The square root of 141878121 is about 11911.2602607785. The cubic root of 141878121 is about 521.5610400838.

The spelling of 141878121 in words is "one hundred forty-one million, eight hundred seventy-eight thousand, one hundred twenty-one".