1100387 has 2 divisors, whose sum is σ = 1100388. Its totient is φ = 1100386.

The previous prime is 1100381. The next prime is 1100419. The reversal of 1100387 is 7830011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100387 - 2⁸ = 1100131 is a prime.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 1100387 parts by 1483 straight cuts.

It is not a weakly prime, because it can be changed into another prime (1100381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550193 + 550194.

It is an arithmetic number, because the mean of its divisors is an integer number (550194).

2^1100387 is an apocalyptic number.

1100387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100387 is an equidigital number, since it uses as much as digits as its factorization.

1100387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1100387 is about 1048.9933269568. The cubic root of 1100387 is about 103.2401159567.

Adding to 1100387 its reverse (7830011), we get a palindrome (8930398).

The spelling of 1100387 in words is "one million, one hundred thousand, three hundred eighty-seven".