1381127 has 16 divisors (see below), whose sum is σ = 1617408. Its totient is φ = 1166880.

The previous prime is 1381111. The next prime is 1381141. The reversal of 1381127 is 7211831.

It is a happy number.

It is not a de Polignac number, because 1381127 - 2⁴ = 1381111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13358 + ... + 13460.

It is an arithmetic number, because the mean of its divisors is an integer number (101088).

2^1381127 is an apocalyptic number.

1381127 is a deficient number, since it is larger than the sum of its proper divisors (236281).

1381127 is a wasteful number, since it uses less digits than its factorization.

1381127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190.

The product of its digits is 336, while the sum is 23.

The square root of 1381127 is about 1175.2135976068. The cubic root of 1381127 is about 111.3639273931.

Adding to 1381127 its reverse (7211831), we get a palindrome (8592958).

The spelling of 1381127 in words is "one million, three hundred eighty-one thousand, one hundred twenty-seven".