121014637 has 2 divisors, whose sum is σ = 121014638. Its totient is φ = 121014636.

The previous prime is 121014631. The next prime is 121014659. The reversal of 121014637 is 736410121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61246276 + 59768361 = 7826^2 + 7731^2 .

It is an emirp because it is prime and its reverse (736410121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121014637 - 2¹⁵ = 120981869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121014631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60507318 + 60507319.

It is an arithmetic number, because the mean of its divisors is an integer number (60507319).

Almost surely, 2^121014637 is an apocalyptic number.

It is an amenable number.

121014637 is a deficient number, since it is larger than the sum of its proper divisors (1).

121014637 is an equidigital number, since it uses as much as digits as its factorization.

121014637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 121014637 is about 11000.6652980627. The cubic root of 121014637 is about 494.6286872899.

Adding to 121014637 its reverse (736410121), we get a palindrome (857424758).

The spelling of 121014637 in words is "one hundred twenty-one million, fourteen thousand, six hundred thirty-seven".