1004122145564 has 12 divisors (see below), whose sum is σ = 1760061755424. Its totient is φ = 501247358304.

The previous prime is 1004122145539. The next prime is 1004122145569. The reversal of 1004122145564 is 4655412214001.

It is a super-2 number, since 2×1004122145564² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004122145569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203425844 + ... + 203430779.

It is an arithmetic number, because the mean of its divisors is an integer number (146671812952).

Almost surely, 2^{1004122145564} is an apocalyptic number.

It is an amenable number.

1004122145564 is a deficient number, since it is larger than the sum of its proper divisors (755939609860).

1004122145564 is a wasteful number, since it uses less digits than its factorization.

1004122145564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406857244 (or 406857242 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 1004122145564 its reverse (4655412214001), we get a palindrome (5659534359565).

The spelling of 1004122145564 in words is "one trillion, four billion, one hundred twenty-two million, one hundred forty-five thousand, five hundred sixty-four".