1279354 has 4 divisors (see below), whose sum is σ = 1919034. Its totient is φ = 639676.

The previous prime is 1279337. The next prime is 1279357. The reversal of 1279354 is 4539721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4539721 = 401 ⋅11321.

It can be written as a sum of positive squares in only one way, i.e., 1261129 + 18225 = 1123^2 + 135^2 .

It is not an unprimeable number, because it can be changed into a prime (1279357) 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 as a sum of consecutive naturals, namely, 319837 + ... + 319840.

2^1279354 is an apocalyptic number.

1279354 is a deficient number, since it is larger than the sum of its proper divisors (639680).

1279354 is an equidigital number, since it uses as much as digits as its factorization.

1279354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639679.

The product of its digits is 7560, while the sum is 31.

The square root of 1279354 is about 1131.0853195051. The cubic root of 1279354 is about 108.5584358216.

The spelling of 1279354 in words is "one million, two hundred seventy-nine thousand, three hundred fifty-four".