1123429026 has 16 divisors (see below), whose sum is σ = 2319337728. Its totient is φ = 362396400.

The previous prime is 1123429007. The next prime is 1123429031. The reversal of 1123429026 is 6209243211.

It is a junction number, because it is equal to n+sod(n) for n = 1123428984 and 1123429002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3019785 + ... + 3020156.

It is an arithmetic number, because the mean of its divisors is an integer number (144958608).

Almost surely, 2^1123429026 is an apocalyptic number.

1123429026 is an abundant number, since it is smaller than the sum of its proper divisors (1195908702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123429026 is a wasteful number, since it uses less digits than its factorization.

1123429026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6039977.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1123429026 is about 33517.5927834921. The cubic root of 1123429026 is about 1039.5575737718.

The spelling of 1123429026 in words is "one billion, one hundred twenty-three million, four hundred twenty-nine thousand, twenty-six".