1001012406187 has 2 divisors, whose sum is σ = 1001012406188. Its totient is φ = 1001012406186.

The previous prime is 1001012406179. The next prime is 1001012406193. The reversal of 1001012406187 is 7816042101001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001012406187 - 2³ = 1001012406179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001012406137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500506203093 + 500506203094.

It is an arithmetic number, because the mean of its divisors is an integer number (500506203094).

Almost surely, 2^{1001012406187} is an apocalyptic number.

1001012406187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001012406187 is an equidigital number, since it uses as much as digits as its factorization.

1001012406187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 31.

Adding to 1001012406187 its reverse (7816042101001), we get a palindrome (8817054507188).

The spelling of 1001012406187 in words is "one trillion, one billion, twelve million, four hundred six thousand, one hundred eighty-seven".