121110037 has 2 divisors, whose sum is σ = 121110038. Its totient is φ = 121110036.

The previous prime is 121109959. The next prime is 121110079. The reversal of 121110037 is 730011121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66438801 + 54671236 = 8151^2 + 7394^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121110037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121110037.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121110137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60555018 + 60555019.

It is an arithmetic number, because the mean of its divisors is an integer number (60555019).

Almost surely, 2^121110037 is an apocalyptic number.

It is an amenable number.

121110037 is a deficient number, since it is larger than the sum of its proper divisors (1).

121110037 is an equidigital number, since it uses as much as digits as its factorization.

121110037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 121110037 is about 11005.0005452067. Note that the first 3 decimals coincide. The cubic root of 121110037 is about 494.7586307510.

Adding to 121110037 its reverse (730011121), we get a palindrome (851121158).

The spelling of 121110037 in words is "one hundred twenty-one million, one hundred ten thousand, thirty-seven".