1081126123 has 8 divisors (see below), whose sum is σ = 1347897600. Its totient is φ = 842435880.

The previous prime is 1081126121. The next prime is 1081126129. The reversal of 1081126123 is 3216211801.

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

It is not a de Polignac number, because 1081126123 - 2¹ = 1081126121 is a prime.

It is a super-2 number, since 2×1081126123² = 2337667387666022258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1081126121) 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, 7020223 + ... + 7020376.

It is an arithmetic number, because the mean of its divisors is an integer number (168487200).

Almost surely, 2^1081126123 is an apocalyptic number.

1081126123 is a deficient number, since it is larger than the sum of its proper divisors (266771477).

1081126123 is a wasteful number, since it uses less digits than its factorization.

1081126123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14040617.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1081126123 is about 32880.4824021790. The cubic root of 1081126123 is about 1026.3420447351.

Adding to 1081126123 its reverse (3216211801), we get a palindrome (4297337924).

The spelling of 1081126123 in words is "one billion, eighty-one million, one hundred twenty-six thousand, one hundred twenty-three".