1276563452 has 6 divisors (see below), whose sum is σ = 2233986048. Its totient is φ = 638281724.

The previous prime is 1276563451. The next prime is 1276563481. The reversal of 1276563452 is 2543656721.

It is a super-2 number, since 2×1276563452² = 3259228493964312608, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276563451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159570428 + ... + 159570435.

It is an arithmetic number, because the mean of its divisors is an integer number (372331008).

Almost surely, 2^1276563452 is an apocalyptic number.

It is an amenable number.

1276563452 is a deficient number, since it is larger than the sum of its proper divisors (957422596).

1276563452 is a wasteful number, since it uses less digits than its factorization.

1276563452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319140867 (or 319140865 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 1276563452 is about 35729.0281423942. The cubic root of 1276563452 is about 1084.7944854863.

The spelling of 1276563452 in words is "one billion, two hundred seventy-six million, five hundred sixty-three thousand, four hundred fifty-two".