1251120485068 has 24 divisors (see below), whose sum is σ = 2326174628400. Its totient is φ = 587665165248.

The previous prime is 1251120485057. The next prime is 1251120485081. The reversal of 1251120485068 is 8605840211521.

It is a super-2 number, since 2×1251120485068² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 145745998 + ... + 145754581.

It is an arithmetic number, because the mean of its divisors is an integer number (96923942850).

Almost surely, 2^{1251120485068} is an apocalyptic number.

It is an amenable number.

1251120485068 is a deficient number, since it is larger than the sum of its proper divisors (1075054143332).

1251120485068 is a wasteful number, since it uses less digits than its factorization.

1251120485068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291500649 (or 291500647 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 43.

Adding to 1251120485068 its reverse (8605840211521), we get a palindrome (9856960696589).

The spelling of 1251120485068 in words is "one trillion, two hundred fifty-one billion, one hundred twenty million, four hundred eighty-five thousand, sixty-eight".