125178485 has 4 divisors (see below), whose sum is σ = 150214188. Its totient is φ = 100142784.

The previous prime is 125178457. The next prime is 125178539. The reversal of 125178485 is 584871521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584871521 = 13 ⋅44990117.

It can be written as a sum of positive squares in 2 ways, for example, as 34586161 + 90592324 = 5881^2 + 9518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125178485 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12517844 + ... + 12517853.

It is an arithmetic number, because the mean of its divisors is an integer number (37553547).

Almost surely, 2^125178485 is an apocalyptic number.

It is an amenable number.

125178485 is a deficient number, since it is larger than the sum of its proper divisors (25035703).

125178485 is an equidigital number, since it uses as much as digits as its factorization.

125178485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25035702.

The product of its digits is 89600, while the sum is 41.

The square root of 125178485 is about 11188.3191320234. The cubic root of 125178485 is about 500.2378668208.

The spelling of 125178485 in words is "one hundred twenty-five million, one hundred seventy-eight thousand, four hundred eighty-five".