125145002 has 8 divisors (see below), whose sum is σ = 188177700. Its totient is φ = 62419104.

The previous prime is 125144983. The next prime is 125145017. The reversal of 125145002 is 200541521.

It can be written as a sum of positive squares in 2 ways, for example, as 123187801 + 1957201 = 11099^2 + 1399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×125145002² = 31322543051160008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75677 + ... + 77312.

Almost surely, 2^125145002 is an apocalyptic number.

125145002 is a deficient number, since it is larger than the sum of its proper divisors (63032698).

125145002 is a wasteful number, since it uses less digits than its factorization.

125145002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153400.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 125145002 is about 11186.8226945813. The cubic root of 125145002 is about 500.1932612905.

Adding to 125145002 its reverse (200541521), we get a palindrome (325686523).

The spelling of 125145002 in words is "one hundred twenty-five million, one hundred forty-five thousand, two".