371121887 has 2 divisors, whose sum is σ = 371121888. Its totient is φ = 371121886.

The previous prime is 371121869. The next prime is 371121913. The reversal of 371121887 is 788121173.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-371121887 is a prime.

It is a super-3 number, since 3×371121887³ (a number of 27 digits) contains 333 as substring.

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 371121887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (371121827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185560943 + 185560944.

It is an arithmetic number, because the mean of its divisors is an integer number (185560944).

Almost surely, 2^371121887 is an apocalyptic number.

371121887 is a deficient number, since it is larger than the sum of its proper divisors (1).

371121887 is an equidigital number, since it uses as much as digits as its factorization.

371121887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 38.

The square root of 371121887 is about 19264.5240532955. The cubic root of 371121887 is about 718.6302965668.

The spelling of 371121887 in words is "three hundred seventy-one million, one hundred twenty-one thousand, eight hundred eighty-seven".