121045373 has 2 divisors, whose sum is σ = 121045374. Its totient is φ = 121045372.

The previous prime is 121045367. The next prime is 121045381. The reversal of 121045373 is 373540121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121044004 + 1369 = 11002^2 + 37^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121045373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121045303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60522686 + 60522687.

It is an arithmetic number, because the mean of its divisors is an integer number (60522687).

Almost surely, 2^121045373 is an apocalyptic number.

It is an amenable number.

121045373 is a deficient number, since it is larger than the sum of its proper divisors (1).

121045373 is an equidigital number, since it uses as much as digits as its factorization.

121045373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 121045373 is about 11002.0622157848. The cubic root of 121045373 is about 494.6705599668.

Adding to 121045373 its reverse (373540121), we get a palindrome (494585494).

The spelling of 121045373 in words is "one hundred twenty-one million, forty-five thousand, three hundred seventy-three".