3142987 has 2 divisors, whose sum is σ = 3142988. Its totient is φ = 3142986.

The previous prime is 3142981. The next prime is 3143003. The reversal of 3142987 is 7892413.

It is a weak prime.

It is an emirp because it is prime and its reverse (7892413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3142987 - 2⁷ = 3142859 is a prime.

It is not a weakly prime, because it can be changed into another prime (3142981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571493 + 1571494.

It is an arithmetic number, because the mean of its divisors is an integer number (1571494).

Almost surely, 2^3142987 is an apocalyptic number.

3142987 is a deficient number, since it is larger than the sum of its proper divisors (1).

3142987 is an equidigital number, since it uses as much as digits as its factorization.

3142987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 3142987 is about 1772.8471451312. The cubic root of 3142987 is about 146.4808534192.

The spelling of 3142987 in words is "three million, one hundred forty-two thousand, nine hundred eighty-seven".