1201775142627 has 12 divisors (see below), whose sum is σ = 1742075002824. Its totient is φ = 798332240160.

The previous prime is 1201775142619. The next prime is 1201775142653. The reversal of 1201775142627 is 7262415771021.

It is a happy number.

1201775142627 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 7 + 7 + 5 + 14 + 2 + 627 = 666.

It is not a de Polignac number, because 1201775142627 - 2³ = 1201775142619 is a prime.

It is a super-2 number, since 2×1201775142627² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201775142677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237596353 + ... + 237601410.

It is an arithmetic number, because the mean of its divisors is an integer number (145172916902).

Almost surely, 2^{1201775142627} is an apocalyptic number.

1201775142627 is a deficient number, since it is larger than the sum of its proper divisors (540299860197).

1201775142627 is a wasteful number, since it uses less digits than its factorization.

1201775142627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475198050 (or 475198047 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The spelling of 1201775142627 in words is "one trillion, two hundred one billion, seven hundred seventy-five million, one hundred forty-two thousand, six hundred twenty-seven".