125000993 has 4 divisors (see below), whose sum is σ = 134616468. Its totient is φ = 115385520.

The previous prime is 125000963. The next prime is 125001013. The reversal of 125000993 is 399000521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32398864 + 92602129 = 5692^2 + 9623^2 .

It is a cyclic number.

It is not a de Polignac number, because 125000993 - 2¹⁰ = 124999969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125000963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4807718 + ... + 4807743.

It is an arithmetic number, because the mean of its divisors is an integer number (33654117).

Almost surely, 2^125000993 is an apocalyptic number.

125000993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

125000993 is a deficient number, since it is larger than the sum of its proper divisors (9615475).

125000993 is an equidigital number, since it uses as much as digits as its factorization.

125000993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9615474.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 125000993 is about 11180.3842957208. The cubic root of 125000993 is about 500.0013239965.

It can be divided in two parts, 12 and 5000993, that added together give a palindrome (5001005).

The spelling of 125000993 in words is "one hundred twenty-five million, nine hundred ninety-three", and thus it is an aban number.