1051142231234 has 4 divisors (see below), whose sum is σ = 1576713346854. Its totient is φ = 525571115616.

The previous prime is 1051142231221. The next prime is 1051142231261. The reversal of 1051142231234 is 4321322411501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 885757675609 + 165384555625 = 941147^2 + 406675^2 .

It is a super-2 number, since 2×1051142231234² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1051142231197 and 1051142231206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262785557807 + ... + 262785557810.

Almost surely, 2^{1051142231234} is an apocalyptic number.

1051142231234 is a deficient number, since it is larger than the sum of its proper divisors (525571115620).

1051142231234 is an equidigital number, since it uses as much as digits as its factorization.

1051142231234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525571115619.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 1051142231234 its reverse (4321322411501), we get a palindrome (5372464642735).

The spelling of 1051142231234 in words is "one trillion, fifty-one billion, one hundred forty-two million, two hundred thirty-one thousand, two hundred thirty-four".