1075230640 has 40 divisors (see below), whose sum is σ = 2727178128. Its totient is φ = 390992640.

The previous prime is 1075230529. The next prime is 1075230643. The reversal of 1075230640 is 460325701.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1075230640² = 2312241858389619200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1075230599 and 1075230608.

It is not an unprimeable number, because it can be changed into a prime (1075230643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610047 + ... + 611806.

Almost surely, 2^1075230640 is an apocalyptic number.

1075230640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1075230640 is an abundant number, since it is smaller than the sum of its proper divisors (1651947488).

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

1075230640 is a wasteful number, since it uses less digits than its factorization.

1075230640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221877 (or 1221871 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1075230640 is about 32790.7096599021. The cubic root of 1075230640 is about 1024.4730632829.

The spelling of 1075230640 in words is "one billion, seventy-five million, two hundred thirty thousand, six hundred forty".