1275084061 has 4 divisors (see below), whose sum is σ = 1275268192. Its totient is φ = 1274899932.

The previous prime is 1275084059. The next prime is 1275084067. The reversal of 1275084061 is 1604805721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1604805721 = 19 ⋅84463459.

It is a cyclic number.

It is not a de Polignac number, because 1275084061 - 2¹ = 1275084059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275084067) 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, 81255 + ... + 95668.

It is an arithmetic number, because the mean of its divisors is an integer number (318817048).

Almost surely, 2^1275084061 is an apocalyptic number.

It is an amenable number.

1275084061 is a deficient number, since it is larger than the sum of its proper divisors (184131).

1275084061 is an equidigital number, since it uses as much as digits as its factorization.

1275084061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184130.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 1275084061 is about 35708.3192127549. The cubic root of 1275084061 is about 1084.3752726025.

Adding to 1275084061 its reverse (1604805721), we get a palindrome (2879889782).

The spelling of 1275084061 in words is "one billion, two hundred seventy-five million, eighty-four thousand, sixty-one".