1387127 has 8 divisors (see below), whose sum is σ = 1608192. Its totient is φ = 1171800.

The previous prime is 1387123. The next prime is 1387129. The reversal of 1387127 is 7217831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1387127 - 2² = 1387123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1387127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899 + ... + 1892.

It is an arithmetic number, because the mean of its divisors is an integer number (201024).

2^1387127 is an apocalyptic number.

1387127 is a deficient number, since it is larger than the sum of its proper divisors (221065).

1387127 is an equidigital number, since it uses as much as digits as its factorization.

1387127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869.

The product of its digits is 2352, while the sum is 29.

The square root of 1387127 is about 1177.7635586144. The cubic root of 1387127 is about 111.5249597242.

The spelling of 1387127 in words is "one million, three hundred eighty-seven thousand, one hundred twenty-seven".