1126551023 has 16 divisors (see below), whose sum is σ = 1284249120. Its totient is φ = 980671104.

The previous prime is 1126551011. The next prime is 1126551047. The reversal of 1126551023 is 3201556211.

It is a cyclic number.

It is not a de Polignac number, because 1126551023 - 2⁴ = 1126551007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1126550983 and 1126551001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126551323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18536 + ... + 50957.

It is an arithmetic number, because the mean of its divisors is an integer number (80265570).

Almost surely, 2^1126551023 is an apocalyptic number.

1126551023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1126551023 is a deficient number, since it is larger than the sum of its proper divisors (157698097).

1126551023 is a wasteful number, since it uses less digits than its factorization.

1126551023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69578.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1126551023 is about 33564.1329844821. The cubic root of 1126551023 is about 1040.5196561659.

The spelling of 1126551023 in words is "one billion, one hundred twenty-six million, five hundred fifty-one thousand, twenty-three".