1381269 has 8 divisors (see below), whose sum is σ = 1848832. Its totient is φ = 917280.

The previous prime is 1381231. The next prime is 1381271. The reversal of 1381269 is 9621831.

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

It is not a de Polignac number, because 1381269 - 2⁷ = 1381141 is a prime.

It is a super-2 number, since 2×1381269² = 3815808100722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381229) 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, 204 + ... + 1674.

It is an arithmetic number, because the mean of its divisors is an integer number (231104).

2^1381269 is an apocalyptic number.

It is an amenable number.

1381269 is a deficient number, since it is larger than the sum of its proper divisors (467563).

1381269 is a wasteful number, since it uses less digits than its factorization.

1381269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787.

The product of its digits is 2592, while the sum is 30.

The square root of 1381269 is about 1175.2740106035. The cubic root of 1381269 is about 111.3677438743.

The spelling of 1381269 in words is "one million, three hundred eighty-one thousand, two hundred sixty-nine".