201230987 has 2 divisors, whose sum is σ = 201230988. Its totient is φ = 201230986.

The previous prime is 201230959. The next prime is 201231001. The reversal of 201230987 is 789032102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201230987 - 2¹⁶ = 201165451 is a prime.

It is not a weakly prime, because it can be changed into another prime (201230917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100615493 + 100615494.

It is an arithmetic number, because the mean of its divisors is an integer number (100615494).

Almost surely, 2^201230987 is an apocalyptic number.

201230987 is a deficient number, since it is larger than the sum of its proper divisors (1).

201230987 is an equidigital number, since it uses as much as digits as its factorization.

201230987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 201230987 is about 14185.5908230852. The cubic root of 201230987 is about 586.0009037172. Note that the first 3 decimals are identical.

The spelling of 201230987 in words is "two hundred one million, two hundred thirty thousand, nine hundred eighty-seven".