141250121 has 4 divisors (see below), whose sum is σ = 141354372. Its totient is φ = 141145872.

The previous prime is 141250117. The next prime is 141250129. The reversal of 141250121 is 121052141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121052141 = 7 ⋅17293163.

It can be written as a sum of positive squares in 2 ways, for example, as 126810121 + 14440000 = 11261^2 + 3800^2 .

It is a cyclic number.

It is not a de Polignac number, because 141250121 - 2² = 141250117 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 141250121.

It is not an unprimeable number, because it can be changed into a prime (141250129) 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 3 ways as a sum of consecutive naturals, for example, 50066 + ... + 52811.

It is an arithmetic number, because the mean of its divisors is an integer number (35338593).

Almost surely, 2^141250121 is an apocalyptic number.

It is an amenable number.

141250121 is a deficient number, since it is larger than the sum of its proper divisors (104251).

141250121 is a wasteful number, since it uses less digits than its factorization.

141250121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104250.

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

The square root of 141250121 is about 11884.8694145119. The cubic root of 141250121 is about 520.7903673627.

The spelling of 141250121 in words is "one hundred forty-one million, two hundred fifty thousand, one hundred twenty-one".