1251014234121 has 8 divisors (see below), whose sum is σ = 1853354420960. Its totient is φ = 834009489396.

The previous prime is 1251014234069. The next prime is 1251014234131. The reversal of 1251014234121 is 1214324101521.

1251014234121 is a `hidden beast` number, since 1 + 2 + 510 + 1 + 4 + 23 + 4 + 121 = 666.

It is not a de Polignac number, because 1251014234121 - 2⁷ = 1251014233993 is a prime.

It is a super-2 number, since 2×1251014234121² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 46333860523 = 1251014234121 / (1 + 2 + 5 + 1 + 0 + 1 + 4 + 2 + 3 + 4 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1251014234131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23166930235 + ... + 23166930288.

It is an arithmetic number, because the mean of its divisors is an integer number (231669302620).

Almost surely, 2^{1251014234121} is an apocalyptic number.

It is an amenable number.

1251014234121 is a deficient number, since it is larger than the sum of its proper divisors (602340186839).

1251014234121 is an equidigital number, since it uses as much as digits as its factorization.

1251014234121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46333860532 (or 46333860526 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 1251014234121 its reverse (1214324101521), we get a palindrome (2465338335642).

The spelling of 1251014234121 in words is "one trillion, two hundred fifty-one billion, fourteen million, two hundred thirty-four thousand, one hundred twenty-one".