1026123156002 has 48 divisors (see below), whose sum is σ = 1827851635008. Its totient is φ = 430651660320.

The previous prime is 1026123156001. The next prime is 1026123156013. The reversal of 1026123156002 is 2006513216201.

It is not an unprimeable number, because it can be changed into a prime (1026123156001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 978923 + ... + 1735089.

It is an arithmetic number, because the mean of its divisors is an integer number (38080242396).

Almost surely, 2^{1026123156002} is an apocalyptic number.

1026123156002 is a deficient number, since it is larger than the sum of its proper divisors (801728479006).

1026123156002 is a wasteful number, since it uses less digits than its factorization.

1026123156002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756471 (or 756464 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 1026123156002 in words is "one trillion, twenty-six billion, one hundred twenty-three million, one hundred fifty-six thousand, two".