1026560731 has 12 divisors (see below), whose sum is σ = 1202761560. Its totient is φ = 873573120.

The previous prime is 1026560729. The next prime is 1026560761. The reversal of 1026560731 is 1370656201.

1026560731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1026560731 - 2¹ = 1026560729 is a prime.

It is a super-2 number, since 2×1026560731² = 2107653868862508722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1026560693 and 1026560702.

It is not an unprimeable number, because it can be changed into a prime (1026560701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68550 + ... + 82171.

It is an arithmetic number, because the mean of its divisors is an integer number (100230130).

Almost surely, 2^1026560731 is an apocalyptic number.

1026560731 is a deficient number, since it is larger than the sum of its proper divisors (176200829).

1026560731 is a wasteful number, since it uses less digits than its factorization.

1026560731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150874 (or 150867 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1026560731 is about 32039.9864388236. The cubic root of 1026560731 is about 1008.7763277423.

The spelling of 1026560731 in words is "one billion, twenty-six million, five hundred sixty thousand, seven hundred thirty-one".