37338121 has 2 divisors, whose sum is σ = 37338122. Its totient is φ = 37338120.

The previous prime is 37338107. The next prime is 37338139. The reversal of 37338121 is 12183373.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32775625 + 4562496 = 5725^2 + 2136^2 .

It is a cyclic number.

It is not a de Polignac number, because 37338121 - 2⁵ = 37338089 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37338121.

It is not a weakly prime, because it can be changed into another prime (37338151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18669060 + 18669061.

It is an arithmetic number, because the mean of its divisors is an integer number (18669061).

Almost surely, 2^37338121 is an apocalyptic number.

It is an amenable number.

37338121 is a deficient number, since it is larger than the sum of its proper divisors (1).

37338121 is an equidigital number, since it uses as much as digits as its factorization.

37338121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 37338121 is about 6110.4926969926. The cubic root of 37338121 is about 334.2341486247.

The spelling of 37338121 in words is "thirty-seven million, three hundred thirty-eight thousand, one hundred twenty-one".