1201087 has 2 divisors, whose sum is σ = 1201088. Its totient is φ = 1201086.

The previous prime is 1201073. The next prime is 1201097. The reversal of 1201087 is 7801021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201087 - 2⁷ = 1200959 is a prime.

1201087 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600543 + 600544.

It is an arithmetic number, because the mean of its divisors is an integer number (600544).

2^1201087 is an apocalyptic number.

1201087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201087 is an equidigital number, since it uses as much as digits as its factorization.

1201087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 1201087 is about 1095.9411480549. The cubic root of 1201087 is about 106.2979336200.

The spelling of 1201087 in words is "one million, two hundred one thousand, eighty-seven".