1031202001123 has 16 divisors (see below), whose sum is σ = 1203860173824. Its totient is φ = 864888128640.

The previous prime is 1031202001117. The next prime is 1031202001133. The reversal of 1031202001123 is 3211002021301.

It is a cyclic number.

It is not a de Polignac number, because 1031202001123 - 2⁹ = 1031202000611 is a prime.

It is a super-2 number, since 2×1031202001123² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1031202001097 and 1031202001106.

It is not an unprimeable number, because it can be changed into a prime (1031202001133) 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 15 ways as a sum of consecutive naturals, for example, 1135083 + ... + 1830523.

It is an arithmetic number, because the mean of its divisors is an integer number (75241260864).

Almost surely, 2^{1031202001123} is an apocalyptic number.

1031202001123 is a deficient number, since it is larger than the sum of its proper divisors (172658172701).

1031202001123 is an equidigital number, since it uses as much as digits as its factorization.

1031202001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700002.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1031202001123 its reverse (3211002021301), we get a palindrome (4242204022424).

The spelling of 1031202001123 in words is "one trillion, thirty-one billion, two hundred two million, one thousand, one hundred twenty-three".