1043125099 has 24 divisors (see below), whose sum is σ = 1150625840. Its totient is φ = 942907392.

The previous prime is 1043125087. The next prime is 1043125129. The reversal of 1043125099 is 9905213401.

It is not a de Polignac number, because 1043125099 - 2⁵ = 1043125067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043125019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1549627 + ... + 1550299.

Almost surely, 2^1043125099 is an apocalyptic number.

1043125099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1043125099 is a deficient number, since it is larger than the sum of its proper divisors (107500741).

1043125099 is an equidigital number, since it uses as much as digits as its factorization.

1043125099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1043125099 is about 32297.4472520662. The cubic root of 1043125099 is about 1014.1732042450.

The spelling of 1043125099 in words is "one billion, forty-three million, one hundred twenty-five thousand, ninety-nine".