1387101 has 12 divisors (see below), whose sum is σ = 1895712. Its totient is φ = 902088.

The previous prime is 1387069. The next prime is 1387109. The reversal of 1387101 is 1017831.

It is not a de Polignac number, because 1387101 - 2⁵ = 1387069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13416 + ... + 13518.

It is an arithmetic number, because the mean of its divisors is an integer number (157976).

2^1387101 is an apocalyptic number.

It is an amenable number.

1387101 is a deficient number, since it is larger than the sum of its proper divisors (508611).

1387101 is an equidigital number, since it uses as much as digits as its factorization.

1387101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 1387101 is about 1177.7525206935. The cubic root of 1387101 is about 111.5242629202.

The spelling of 1387101 in words is "one million, three hundred eighty-seven thousand, one hundred one".