1075917820 has 24 divisors (see below), whose sum is σ = 2320494624. Its totient is φ = 418735296.

The previous prime is 1075917793. The next prime is 1075917823. The reversal of 1075917820 is 287195701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075917823) 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, 726232 + ... + 727711.

It is an arithmetic number, because the mean of its divisors is an integer number (96687276).

Almost surely, 2^1075917820 is an apocalyptic number.

1075917820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1075917820 is an abundant number, since it is smaller than the sum of its proper divisors (1244576804).

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

1075917820 is a wasteful number, since it uses less digits than its factorization.

1075917820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453989 (or 1453987 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 40.

The square root of 1075917820 is about 32801.1862590364. The cubic root of 1075917820 is about 1024.6912637482.

The spelling of 1075917820 in words is "one billion, seventy-five million, nine hundred seventeen thousand, eight hundred twenty".