1275240048 has 20 divisors (see below), whose sum is σ = 3294370248. Its totient is φ = 425080000.

The previous prime is 1275240047. The next prime is 1275240053. The reversal of 1275240048 is 8400425721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275240047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13283703 + ... + 13283798.

Almost surely, 2^1275240048 is an apocalyptic number.

It is an amenable number.

1275240048 is an abundant number, since it is smaller than the sum of its proper divisors (2019130200).

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

1275240048 is a wasteful number, since it uses less digits than its factorization.

1275240048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26567512 (or 26567506 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 1275240048 is about 35710.5033288527. The cubic root of 1275240048 is about 1084.4194896999.

Adding to 1275240048 its reverse (8400425721), we get a palindrome (9675665769).

The spelling of 1275240048 in words is "one billion, two hundred seventy-five million, two hundred forty thousand, forty-eight".