1125741023438 has 4 divisors (see below), whose sum is σ = 1688611535160. Its totient is φ = 562870511718.

The previous prime is 1125741023419. The next prime is 1125741023441. The reversal of 1125741023438 is 8343201475211.

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

It is a junction number, because it is equal to n+sod(n) for n = 1125741023395 and 1125741023404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281435255858 + ... + 281435255861.

It is an arithmetic number, because the mean of its divisors is an integer number (422152883790).

Almost surely, 2^{1125741023438} is an apocalyptic number.

1125741023438 is a deficient number, since it is larger than the sum of its proper divisors (562870511722).

1125741023438 is an equidigital number, since it uses as much as digits as its factorization.

1125741023438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562870511721.

The product of its (nonzero) digits is 161280, while the sum is 41.

Adding to 1125741023438 its reverse (8343201475211), we get a palindrome (9468942498649).

The spelling of 1125741023438 in words is "one trillion, one hundred twenty-five billion, seven hundred forty-one million, twenty-three thousand, four hundred thirty-eight".