121000037 has 8 divisors (see below), whose sum is σ = 131477760. Its totient is φ = 110933280.

The previous prime is 121000003. The next prime is 121000049. The reversal of 121000037 is 730000121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121000037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120999985 and 121000030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000337) 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 in 7 ways as a sum of consecutive naturals, for example, 102128 + ... + 103305.

It is an arithmetic number, because the mean of its divisors is an integer number (16434720).

Almost surely, 2^121000037 is an apocalyptic number.

It is an amenable number.

121000037 is a deficient number, since it is larger than the sum of its proper divisors (10477723).

121000037 is a wasteful number, since it uses less digits than its factorization.

121000037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205483.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 121000037 is about 11000.0016818181. The cubic root of 121000037 is about 494.6087947395.

Adding to 121000037 its reverse (730000121), we get a palindrome (851000158).

The spelling of 121000037 in words is "one hundred twenty-one million, thirty-seven", and thus it is an aban number.