125078878 has 4 divisors (see below), whose sum is σ = 187618320. Its totient is φ = 62539438.

The previous prime is 125078867. The next prime is 125078897. The reversal of 125078878 is 878870521.

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: 878870521 = 967 ⋅908863.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31269718 + ... + 31269721.

It is an arithmetic number, because the mean of its divisors is an integer number (46904580).

Almost surely, 2^125078878 is an apocalyptic number.

125078878 is a deficient number, since it is larger than the sum of its proper divisors (62539442).

125078878 is an equidigital number, since it uses as much as digits as its factorization.

125078878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62539441.

The product of its (nonzero) digits is 250880, while the sum is 46.

The square root of 125078878 is about 11183.8668625838. The cubic root of 125078878 is about 500.1051485527.

The spelling of 125078878 in words is "one hundred twenty-five million, seventy-eight thousand, eight hundred seventy-eight".