121131037 has 2 divisors, whose sum is σ = 121131038. Its totient is φ = 121131036.

The previous prime is 121131019. The next prime is 121131077. The reversal of 121131037 is 730131121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105083001 + 16048036 = 10251^2 + 4006^2 .

It is a cyclic number.

It is not a de Polignac number, because 121131037 - 2¹¹ = 121128989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121131077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60565518 + 60565519.

It is an arithmetic number, because the mean of its divisors is an integer number (60565519).

Almost surely, 2^121131037 is an apocalyptic number.

It is an amenable number.

121131037 is a deficient number, since it is larger than the sum of its proper divisors (1).

121131037 is an equidigital number, since it uses as much as digits as its factorization.

121131037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 121131037 is about 11005.9546155706. The cubic root of 121131037 is about 494.7872254930.

Adding to 121131037 its reverse (730131121), we get a palindrome (851262158).

The spelling of 121131037 in words is "one hundred twenty-one million, one hundred thirty-one thousand, thirty-seven".