1251414355142 has 24 divisors (see below), whose sum is σ = 2278897923504. Its totient is φ = 504772175232.

The previous prime is 1251414355123. The next prime is 1251414355187. The reversal of 1251414355142 is 2415534141521.

It is a junction number, because it is equal to n+sod(n) for n = 1251414355096 and 1251414355105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154644293 + ... + 154652384.

It is an arithmetic number, because the mean of its divisors is an integer number (94954080146).

Almost surely, 2^{1251414355142} is an apocalyptic number.

1251414355142 is a deficient number, since it is larger than the sum of its proper divisors (1027483568362).

1251414355142 is a wasteful number, since it uses less digits than its factorization.

1251414355142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309296720 (or 309296703 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

Adding to 1251414355142 its reverse (2415534141521), we get a palindrome (3666948496663).

The spelling of 1251414355142 in words is "one trillion, two hundred fifty-one billion, four hundred fourteen million, three hundred fifty-five thousand, one hundred forty-two".