1420862715187 has 2 divisors, whose sum is σ = 1420862715188. Its totient is φ = 1420862715186.

The previous prime is 1420862715161. The next prime is 1420862715197. The reversal of 1420862715187 is 7815172680241.

It is a strong prime.

It is an emirp because it is prime and its reverse (7815172680241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1420862715187 - 2²³ = 1420854326579 is a prime.

It is not a weakly prime, because it can be changed into another prime (1420862715127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710431357593 + 710431357594.

It is an arithmetic number, because the mean of its divisors is an integer number (710431357594).

Almost surely, 2^{1420862715187} is an apocalyptic number.

1420862715187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420862715187 is an equidigital number, since it uses as much as digits as its factorization.

1420862715187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1505280, while the sum is 52.

The spelling of 1420862715187 in words is "one trillion, four hundred twenty billion, eight hundred sixty-two million, seven hundred fifteen thousand, one hundred eighty-seven".