1130026781 has 24 divisors (see below), whose sum is σ = 1261733760. Its totient is φ = 1011069696.

The previous prime is 1130026741. The next prime is 1130026801. The reversal of 1130026781 is 1876200311.

It is not a de Polignac number, because 1130026781 - 2¹⁴ = 1130010397 is a prime.

It is a super-2 number, since 2×1130026781² = 2553921051554443922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130026741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 896930 + ... + 898188.

It is an arithmetic number, because the mean of its divisors is an integer number (52572240).

Almost surely, 2^1130026781 is an apocalyptic number.

It is an amenable number.

1130026781 is a deficient number, since it is larger than the sum of its proper divisors (131706979).

1130026781 is a wasteful number, since it uses less digits than its factorization.

1130026781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445 (or 1432 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1130026781 is about 33615.8709689337. The cubic root of 1130026781 is about 1041.5886657270.

The spelling of 1130026781 in words is "one billion, one hundred thirty million, twenty-six thousand, seven hundred eighty-one".