121940573 has 2 divisors, whose sum is σ = 121940574. Its totient is φ = 121940572.

The previous prime is 121940527. The next prime is 121940579. The reversal of 121940573 is 375049121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110292004 + 11648569 = 10502^2 + 3413^2 .

It is a cyclic number.

It is not a de Polignac number, because 121940573 - 2⁶ = 121940509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121940579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60970286 + 60970287.

It is an arithmetic number, because the mean of its divisors is an integer number (60970287).

Almost surely, 2^121940573 is an apocalyptic number.

It is an amenable number.

121940573 is a deficient number, since it is larger than the sum of its proper divisors (1).

121940573 is an equidigital number, since it uses as much as digits as its factorization.

121940573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 121940573 is about 11042.6705556220. The cubic root of 121940573 is about 495.8870236206.

Adding to 121940573 its reverse (375049121), we get a palindrome (496989694).

The spelling of 121940573 in words is "one hundred twenty-one million, nine hundred forty thousand, five hundred seventy-three".