125444002 has 4 divisors (see below), whose sum is σ = 188166006. Its totient is φ = 62722000.

The previous prime is 125443979. The next prime is 125444063. The reversal of 125444002 is 200444521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200444521 = 2861 ⋅70061.

It can be written as a sum of positive squares in only one way, i.e., 108805761 + 16638241 = 10431^2 + 4079^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31360999 + ... + 31361002.

Almost surely, 2^125444002 is an apocalyptic number.

125444002 is a deficient number, since it is larger than the sum of its proper divisors (62722004).

125444002 is an equidigital number, since it uses as much as digits as its factorization.

125444002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62722003.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 125444002 is about 11200.1786592893. The cubic root of 125444002 is about 500.5913031123.

Adding to 125444002 its reverse (200444521), we get a palindrome (325888523).

The spelling of 125444002 in words is "one hundred twenty-five million, four hundred forty-four thousand, two".