1275668352 has 432 divisors, whose sum is σ = 4577245920. Its totient is φ = 352719360.

The previous prime is 1275668333. The next prime is 1275668353. The reversal of 1275668352 is 2538665721.

1275668352 is a `hidden beast` number, since 1 + 2 + 7 + 566 + 83 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a junction number, because it is equal to n+sod(n) for n = 1275668298 and 1275668307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275668353) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 41150577 + ... + 41150607.

Almost surely, 2^1275668352 is an apocalyptic number.

1275668352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1275668352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2288622960).

1275668352 is an abundant number, since it is smaller than the sum of its proper divisors (3301577568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1275668352 is an frugal number, since it uses more digits than its factorization.

1275668352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 43 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 1275668352 is about 35716.4997165176. The cubic root of 1275668352 is about 1084.5408810195.

The spelling of 1275668352 in words is "one billion, two hundred seventy-five million, six hundred sixty-eight thousand, three hundred fifty-two".