121203373 has 2 divisors, whose sum is σ = 121203374. Its totient is φ = 121203372.

The previous prime is 121203371. The next prime is 121203389. The reversal of 121203373 is 373302121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92505924 + 28697449 = 9618^2 + 5357^2 .

It is a cyclic number.

It is not a de Polignac number, because 121203373 - 2¹ = 121203371 is a prime.

Together with 121203371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121203371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60601686 + 60601687.

It is an arithmetic number, because the mean of its divisors is an integer number (60601687).

Almost surely, 2^121203373 is an apocalyptic number.

It is an amenable number.

121203373 is a deficient number, since it is larger than the sum of its proper divisors (1).

121203373 is an equidigital number, since it uses as much as digits as its factorization.

121203373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 121203373 is about 11009.2403461819. The cubic root of 121203373 is about 494.8856968332.

Adding to 121203373 its reverse (373302121), we get a palindrome (494505494).

The spelling of 121203373 in words is "one hundred twenty-one million, two hundred three thousand, three hundred seventy-three".