103042987 has 2 divisors, whose sum is σ = 103042988. Its totient is φ = 103042986.

The previous prime is 103042949. The next prime is 103042991. The reversal of 103042987 is 789240301.

It is a strong prime.

It is an emirp because it is prime and its reverse (789240301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103042987 - 2²³ = 94654379 is a prime.

It is not a weakly prime, because it can be changed into another prime (103042937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51521493 + 51521494.

It is an arithmetic number, because the mean of its divisors is an integer number (51521494).

Almost surely, 2^103042987 is an apocalyptic number.

103042987 is a deficient number, since it is larger than the sum of its proper divisors (1).

103042987 is an equidigital number, since it uses as much as digits as its factorization.

103042987 is an evil number, because the sum of its binary digits is even.

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

The square root of 103042987 is about 10151.0091616548. The cubic root of 103042987 is about 468.8200172269.

The spelling of 103042987 in words is "one hundred three million, forty-two thousand, nine hundred eighty-seven".