1279316452 has 6 divisors (see below), whose sum is σ = 2238803798. Its totient is φ = 639658224.

The previous prime is 1279316407. The next prime is 1279316471. The reversal of 1279316452 is 2546139721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 713637796 + 565678656 = 26714^2 + 23784^2 .

It is a super-3 number, since 3×1279316452³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159914553 + ... + 159914560.

Almost surely, 2^1279316452 is an apocalyptic number.

It is an amenable number.

1279316452 is a deficient number, since it is larger than the sum of its proper divisors (959487346).

1279316452 is a wasteful number, since it uses less digits than its factorization.

1279316452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319829117 (or 319829115 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 1279316452 is about 35767.5334905833. The cubic root of 1279316452 is about 1085.5737377721.

The spelling of 1279316452 in words is "one billion, two hundred seventy-nine million, three hundred sixteen thousand, four hundred fifty-two".