372195121 has 2 divisors, whose sum is σ = 372195122. Its totient is φ = 372195120.

The previous prime is 372195079. The next prime is 372195163. The reversal of 372195121 is 121591273.

It is a balanced prime because it is at equal distance from previous prime (372195079) and next prime (372195163).

It can be written as a sum of positive squares in only one way, i.e., 372065521 + 129600 = 19289^2 + 360^2 .

It is an emirp because it is prime and its reverse (121591273) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 372195121 - 2⁹ = 372194609 is a prime.

It is not a weakly prime, because it can be changed into another prime (372195181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186097560 + 186097561.

It is an arithmetic number, because the mean of its divisors is an integer number (186097561).

Almost surely, 2^372195121 is an apocalyptic number.

It is an amenable number.

372195121 is a deficient number, since it is larger than the sum of its proper divisors (1).

372195121 is an equidigital number, since it uses as much as digits as its factorization.

372195121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 31.

The square root of 372195121 is about 19292.3591351602. The cubic root of 372195121 is about 719.3223568922.

The spelling of 372195121 in words is "three hundred seventy-two million, one hundred ninety-five thousand, one hundred twenty-one".