1275053043 has 8 divisors (see below), whose sum is σ = 1854622656. Its totient is φ = 772759400.

The previous prime is 1275053009. The next prime is 1275053051. The reversal of 1275053043 is 3403505721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1275053043 - 2⁹ = 1275052531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1275053043.

It is not an unprimeable number, because it can be changed into a prime (1275033043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19318953 + ... + 19319018.

It is an arithmetic number, because the mean of its divisors is an integer number (231827832).

Almost surely, 2^1275053043 is an apocalyptic number.

1275053043 is a deficient number, since it is larger than the sum of its proper divisors (579569613).

1275053043 is a wasteful number, since it uses less digits than its factorization.

1275053043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38637985.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 1275053043 is about 35707.8848855543. The cubic root of 1275053043 is about 1084.3664796071.

Adding to 1275053043 its reverse (3403505721), we get a palindrome (4678558764).

The spelling of 1275053043 in words is "one billion, two hundred seventy-five million, fifty-three thousand, forty-three".