1131020001123 has 8 divisors (see below), whose sum is σ = 1508481043200. Its totient is φ = 753786146568.

The previous prime is 1131020001079. The next prime is 1131020001173. The reversal of 1131020001123 is 3211000201311.

It is a happy number.

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

It is not a de Polignac number, because 1131020001123 - 2¹⁴ = 1131019984739 is a prime.

It is a super-2 number, since 2×1131020001123² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1131020001173) 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, 56785263 + ... + 56805176.

It is an arithmetic number, because the mean of its divisors is an integer number (188560130400).

Almost surely, 2^{1131020001123} is an apocalyptic number.

1131020001123 is a deficient number, since it is larger than the sum of its proper divisors (377461042077).

1131020001123 is a wasteful number, since it uses less digits than its factorization.

1131020001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113593761.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1131020001123 its reverse (3211000201311), we get a palindrome (4342020202434).

The spelling of 1131020001123 in words is "one trillion, one hundred thirty-one billion, twenty million, one thousand, one hundred twenty-three".