125044993 has 4 divisors (see below), whose sum is σ = 125596080. Its totient is φ = 124493908.

The previous prime is 125044991. The next prime is 125045021. The reversal of 125044993 is 399440521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125044993 - 2¹ = 125044991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125044991) 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, 275203 + ... + 275656.

It is an arithmetic number, because the mean of its divisors is an integer number (31399020).

Almost surely, 2^125044993 is an apocalyptic number.

It is an amenable number.

125044993 is a deficient number, since it is larger than the sum of its proper divisors (551087).

125044993 is an equidigital number, since it uses as much as digits as its factorization.

125044993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551086.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 125044993 is about 11182.3518545966. The cubic root of 125044993 is about 500.0599834703.

The spelling of 125044993 in words is "one hundred twenty-five million, forty-four thousand, nine hundred ninety-three".