1082203987 has 2 divisors, whose sum is σ = 1082203988. Its totient is φ = 1082203986.

The previous prime is 1082203973. The next prime is 1082204021. The reversal of 1082203987 is 7893022801.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1082203987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1082203687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541101993 + 541101994.

It is an arithmetic number, because the mean of its divisors is an integer number (541101994).

Almost surely, 2^1082203987 is an apocalyptic number.

1082203987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1082203987 is an equidigital number, since it uses as much as digits as its factorization.

1082203987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 1082203987 is about 32896.8689543549. The cubic root of 1082203987 is about 1026.6830131882.

The spelling of 1082203987 in words is "one billion, eighty-two million, two hundred three thousand, nine hundred eighty-seven".