12120037 has 8 divisors (see below), whose sum is σ = 12307680. Its totient is φ = 11934000.

The previous prime is 12120019. The next prime is 12120047. The reversal of 12120037 is 73002121.

It is a happy number.

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-12120037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12120037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27138 + ... + 27580.

It is an arithmetic number, because the mean of its divisors is an integer number (1538460).

Almost surely, 2^12120037 is an apocalyptic number.

It is an amenable number.

12120037 is a deficient number, since it is larger than the sum of its proper divisors (187643).

12120037 is a wasteful number, since it uses less digits than its factorization.

12120037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 12120037 is about 3481.3843510879. The cubic root of 12120037 is about 229.7036953148.

Adding to 12120037 its reverse (73002121), we get a palindrome (85122158).

The spelling of 12120037 in words is "twelve million, one hundred twenty thousand, thirty-seven".