141073921 has 2 divisors, whose sum is σ = 141073922. Its totient is φ = 141073920.

The previous prime is 141073909. The next prime is 141073943. The reversal of 141073921 is 129370141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92910321 + 48163600 = 9639^2 + 6940^2 .

It is an emirp because it is prime and its reverse (129370141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141073921 - 2⁹ = 141073409 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141073921.

It is not a weakly prime, because it can be changed into another prime (141073991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70536960 + 70536961.

It is an arithmetic number, because the mean of its divisors is an integer number (70536961).

Almost surely, 2^141073921 is an apocalyptic number.

It is an amenable number.

141073921 is a deficient number, since it is larger than the sum of its proper divisors (1).

141073921 is an equidigital number, since it uses as much as digits as its factorization.

141073921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 141073921 is about 11877.4543147932. The cubic root of 141073921 is about 520.5737269692.

The spelling of 141073921 in words is "one hundred forty-one million, seventy-three thousand, nine hundred twenty-one".