121471573 has 2 divisors, whose sum is σ = 121471574. Its totient is φ = 121471572.

The previous prime is 121471531. The next prime is 121471583. The reversal of 121471573 is 375174121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76003524 + 45468049 = 8718^2 + 6743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121471573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121471513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60735786 + 60735787.

It is an arithmetic number, because the mean of its divisors is an integer number (60735787).

Almost surely, 2^121471573 is an apocalyptic number.

It is an amenable number.

121471573 is a deficient number, since it is larger than the sum of its proper divisors (1).

121471573 is an equidigital number, since it uses as much as digits as its factorization.

121471573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 31.

The square root of 121471573 is about 11021.4142921859. The cubic root of 121471573 is about 495.2504572078.

The spelling of 121471573 in words is "one hundred twenty-one million, four hundred seventy-one thousand, five hundred seventy-three".