1275993452 has 12 divisors (see below), whose sum is σ = 2233271040. Its totient is φ = 637916016.

The previous prime is 1275993443. The next prime is 1275993461. The reversal of 1275993452 is 2543995721.

It is an interprime number because it is at equal distance from previous prime (1275993443) and next prime (1275993461).

It is a junction number, because it is equal to n+sod(n) for n = 1275993397 and 1275993406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28373 + ... + 57939.

It is an arithmetic number, because the mean of its divisors is an integer number (186105920).

Almost surely, 2^1275993452 is an apocalyptic number.

It is an amenable number.

1275993452 is a deficient number, since it is larger than the sum of its proper divisors (957277588).

1275993452 is a wasteful number, since it uses less digits than its factorization.

1275993452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40360 (or 40358 counting only the distinct ones).

The product of its digits is 680400, while the sum is 47.

The square root of 1275993452 is about 35721.0505444619. The cubic root of 1275993452 is about 1084.6330037860.

The spelling of 1275993452 in words is "one billion, two hundred seventy-five million, nine hundred ninety-three thousand, four hundred fifty-two".