1351279 has 8 divisors (see below), whose sum is σ = 1446768. Its totient is φ = 1257600.

The previous prime is 1351267. The next prime is 1351283. The reversal of 1351279 is 9721531.

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

It is a cyclic number.

It is not a de Polignac number, because 1351279 - 2⁵ = 1351247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1324 + ... + 2110.

It is an arithmetic number, because the mean of its divisors is an integer number (180846).

2^1351279 is an apocalyptic number.

1351279 is a deficient number, since it is larger than the sum of its proper divisors (95489).

1351279 is a wasteful number, since it uses less digits than its factorization.

1351279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905.

The product of its digits is 1890, while the sum is 28.

The square root of 1351279 is about 1162.4452675288. The cubic root of 1351279 is about 110.5558367299. Note that the first 3 decimals are identical.

The spelling of 1351279 in words is "one million, three hundred fifty-one thousand, two hundred seventy-nine".