121049737 has 2 divisors, whose sum is σ = 121049738. Its totient is φ = 121049736.

The previous prime is 121049729. The next prime is 121049743. The reversal of 121049737 is 737940121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82373776 + 38675961 = 9076^2 + 6219^2 .

It is a cyclic number.

It is not a de Polignac number, because 121049737 - 2³ = 121049729 is a prime.

It is not a weakly prime, because it can be changed into another prime (121049717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60524868 + 60524869.

It is an arithmetic number, because the mean of its divisors is an integer number (60524869).

Almost surely, 2^121049737 is an apocalyptic number.

It is an amenable number.

121049737 is a deficient number, since it is larger than the sum of its proper divisors (1).

121049737 is an equidigital number, since it uses as much as digits as its factorization.

121049737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 121049737 is about 11002.2605404526. The cubic root of 121049737 is about 494.6765046148.

Adding to 121049737 its reverse (737940121), we get a palindrome (858989858).

The spelling of 121049737 in words is "one hundred twenty-one million, forty-nine thousand, seven hundred thirty-seven".