1275025884427 has 16 divisors (see below), whose sum is σ = 1330794842112. Its totient is φ = 1220780452320.

The previous prime is 1275025884397. The next prime is 1275025884487. The reversal of 1275025884427 is 7244885205721.

It is not a de Polignac number, because 1275025884427 - 2¹⁹ = 1275025360139 is a prime.

It is a super-2 number, since 2×1275025884427² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1275025884487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1297899 + ... + 2057812.

It is an arithmetic number, because the mean of its divisors is an integer number (83174677632).

Almost surely, 2^{1275025884427} is an apocalyptic number.

1275025884427 is a deficient number, since it is larger than the sum of its proper divisors (55768957685).

1275025884427 is a wasteful number, since it uses less digits than its factorization.

1275025884427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355938.

The product of its (nonzero) digits is 10035200, while the sum is 55.

The spelling of 1275025884427 in words is "one trillion, two hundred seventy-five billion, twenty-five million, eight hundred eighty-four thousand, four hundred twenty-seven".