141121501 has 2 divisors, whose sum is σ = 141121502. Its totient is φ = 141121500.

The previous prime is 141121489. The next prime is 141121529. The reversal of 141121501 is 105121141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138062500 + 3059001 = 11750^2 + 1749^2 .

It is a cyclic number.

It is not a de Polignac number, because 141121501 - 2⁵ = 141121469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141121601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70560750 + 70560751.

It is an arithmetic number, because the mean of its divisors is an integer number (70560751).

Almost surely, 2^141121501 is an apocalyptic number.

It is an amenable number.

141121501 is a deficient number, since it is larger than the sum of its proper divisors (1).

141121501 is an equidigital number, since it uses as much as digits as its factorization.

141121501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 141121501 is about 11879.4571003897. The cubic root of 141121501 is about 520.6322450229.

Adding to 141121501 its reverse (105121141), we get a palindrome (246242642).

The spelling of 141121501 in words is "one hundred forty-one million, one hundred twenty-one thousand, five hundred one".