1381471 has 32 divisors (see below), whose sum is σ = 1935360. Its totient is φ = 953856.

The previous prime is 1381459. The next prime is 1381483. The reversal of 1381471 is 1741831.

It is an interprime number because it is at equal distance from previous prime (1381459) and next prime (1381483).

It is a cyclic number.

It is not a de Polignac number, because 1381471 - 2⁵ = 1381439 is a prime.

It is a super-3 number, since 3×1381471³ = 7909455236054250333, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381411) 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 31 ways as a sum of consecutive naturals, for example, 29370 + ... + 29416.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

2^1381471 is an apocalyptic number.

1381471 is a deficient number, since it is larger than the sum of its proper divisors (553889).

1381471 is a wasteful number, since it uses less digits than its factorization.

1381471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103.

The product of its digits is 672, while the sum is 25.

The square root of 1381471 is about 1175.3599448680. The cubic root of 1381471 is about 111.3731725026.

The spelling of 1381471 in words is "one million, three hundred eighty-one thousand, four hundred seventy-one".