1172004020125 has 16 divisors (see below), whose sum is σ = 1483261887744. Its totient is φ = 924397530000.

The previous prime is 1172004020111. The next prime is 1172004020153. The reversal of 1172004020125 is 5210204002711.

It is a de Polignac number, because none of the positive numbers 2^k-1172004020125 is a prime.

It is a super-2 number, since 2×1172004020125² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1172004020125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66019521 + ... + 66037270.

It is an arithmetic number, because the mean of its divisors is an integer number (92703867984).

Almost surely, 2^{1172004020125} is an apocalyptic number.

It is an amenable number.

1172004020125 is a deficient number, since it is larger than the sum of its proper divisors (311257867619).

1172004020125 is an equidigital number, since it uses as much as digits as its factorization.

1172004020125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132056877 (or 132056867 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

Adding to 1172004020125 its reverse (5210204002711), we get a palindrome (6382208022836).

The spelling of 1172004020125 in words is "one trillion, one hundred seventy-two billion, four million, twenty thousand, one hundred twenty-five".