1225258067727 has 12 divisors (see below), whose sum is σ = 1770838476264. Its totient is φ = 816367357680.

The previous prime is 1225258067717. The next prime is 1225258067783. The reversal of 1225258067727 is 7277608525221.

1225258067727 is a `hidden beast` number, since 1 + 2 + 2 + 52 + 580 + 6 + 7 + 7 + 2 + 7 = 666.

It is not a de Polignac number, because 1225258067727 - 2¹⁹ = 1225257543439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225258067717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39263049 + ... + 39294242.

It is an arithmetic number, because the mean of its divisors is an integer number (147569873022).

Almost surely, 2^{1225258067727} is an apocalyptic number.

1225258067727 is a deficient number, since it is larger than the sum of its proper divisors (545580408537).

1225258067727 is a wasteful number, since it uses less digits than its factorization.

1225258067727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78559030 (or 78559027 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 54.

The spelling of 1225258067727 in words is "one trillion, two hundred twenty-five billion, two hundred fifty-eight million, sixty-seven thousand, seven hundred twenty-seven".