141521129 has 2 divisors, whose sum is σ = 141521130. Its totient is φ = 141521128.

The previous prime is 141521123. The next prime is 141521143. The reversal of 141521129 is 921125141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77088400 + 64432729 = 8780^2 + 8027^2 .

It is a cyclic number.

It is not a de Polignac number, because 141521129 - 2⁴ = 141521113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 141521098 and 141521107.

It is not a weakly prime, because it can be changed into another prime (141521123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70760564 + 70760565.

It is an arithmetic number, because the mean of its divisors is an integer number (70760565).

Almost surely, 2^141521129 is an apocalyptic number.

It is an amenable number.

141521129 is a deficient number, since it is larger than the sum of its proper divisors (1).

141521129 is an equidigital number, since it uses as much as digits as its factorization.

141521129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 26.

The square root of 141521129 is about 11896.2653383320. The cubic root of 141521129 is about 521.1232241570.

The spelling of 141521129 in words is "one hundred forty-one million, five hundred twenty-one thousand, one hundred twenty-nine".