372121 has 2 divisors, whose sum is σ = 372122. Its totient is φ = 372120.

The previous prime is 372107. The next prime is 372131. The reversal of 372121 is 121273.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336400 + 35721 = 580^2 + 189^2 .

It is a cyclic number.

It is not a de Polignac number, because 372121 - 2¹⁷ = 241049 is a prime.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 372095 and 372104.

It is not a weakly prime, because it can be changed into another prime (372131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186060 + 186061.

It is an arithmetic number, because the mean of its divisors is an integer number (186061).

2³⁷²¹²¹ is an apocalyptic number.

It is an amenable number.

372121 is a deficient number, since it is larger than the sum of its proper divisors (1).

372121 is an equidigital number, since it uses as much as digits as its factorization.

372121 is an odious number, because the sum of its binary digits is odd.

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

The square root of 372121 is about 610.0172128719. The cubic root of 372121 is about 71.9274603775.

Adding to 372121 its reverse (121273), we get a palindrome (493394).

The spelling of 372121 in words is "three hundred seventy-two thousand, one hundred twenty-one", and thus it is an iban number.