1023420045122 has 8 divisors (see below), whose sum is σ = 1537790606796. Its totient is φ = 510823176192.

The previous prime is 1023420045083. The next prime is 1023420045127. The reversal of 1023420045122 is 2215400243201.

It can be written as a sum of positive squares in 2 ways, for example, as 991396584721 + 32023460401 = 995689^2 + 178951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1023420045091 and 1023420045100.

It is not an unprimeable number, because it can be changed into a prime (1023420045127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443421743 + ... + 443424050.

Almost surely, 2^{1023420045122} is an apocalyptic number.

1023420045122 is a deficient number, since it is larger than the sum of its proper divisors (514370561674).

1023420045122 is an equidigital number, since it uses as much as digits as its factorization.

1023420045122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886846372.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 1023420045122 its reverse (2215400243201), we get a palindrome (3238820288323).

The spelling of 1023420045122 in words is "one trillion, twenty-three billion, four hundred twenty million, forty-five thousand, one hundred twenty-two".