1275482011 has 4 divisors (see below), whose sum is σ = 1316626624. Its totient is φ = 1234337400.

The previous prime is 1275481957. The next prime is 1275482017. The reversal of 1275482011 is 1102845721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1275482011 - 2¹¹ = 1275479963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 41144581 = 1275482011 / (1 + 2 + 7 + 5 + 4 + 8 + 2 + 0 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1275482017) 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, 20572260 + ... + 20572321.

It is an arithmetic number, because the mean of its divisors is an integer number (329156656).

Almost surely, 2^1275482011 is an apocalyptic number.

1275482011 is a deficient number, since it is larger than the sum of its proper divisors (41144613).

1275482011 is an equidigital number, since it uses as much as digits as its factorization.

1275482011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41144612.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 1275482011 is about 35713.8910089618. The cubic root of 1275482011 is about 1084.4880709839.

The spelling of 1275482011 in words is "one billion, two hundred seventy-five million, four hundred eighty-two thousand, eleven".