1045123530042 has 16 divisors (see below), whose sum is σ = 2090658830112. Its totient is φ = 348305881680.

The previous prime is 1045123530007. The next prime is 1045123530043. The reversal of 1045123530042 is 2400353215401.

It is a junction number, because it is equal to n+sod(n) for n = 1045123529991 and 1045123530009.

It is not an unprimeable number, because it can be changed into a prime (1045123530043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17124084 + ... + 17185007.

It is an arithmetic number, because the mean of its divisors is an integer number (130666176882).

Almost surely, 2^{1045123530042} is an apocalyptic number.

1045123530042 is an abundant number, since it is smaller than the sum of its proper divisors (1045535300070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1045123530042 is a wasteful number, since it uses less digits than its factorization.

1045123530042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34314173.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 1045123530042 its reverse (2400353215401), we get a palindrome (3445476745443).

The spelling of 1045123530042 in words is "one trillion, forty-five billion, one hundred twenty-three million, five hundred thirty thousand, forty-two".