125063278 has 4 divisors (see below), whose sum is σ = 187594920. Its totient is φ = 62531638.

The previous prime is 125063273. The next prime is 125063291. The reversal of 125063278 is 872360521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125063273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31265818 + ... + 31265821.

It is an arithmetic number, because the mean of its divisors is an integer number (46898730).

Almost surely, 2^125063278 is an apocalyptic number.

125063278 is a deficient number, since it is larger than the sum of its proper divisors (62531642).

125063278 is an equidigital number, since it uses as much as digits as its factorization.

125063278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62531641.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 125063278 is about 11183.1694076411. The cubic root of 125063278 is about 500.0843564339.

The spelling of 125063278 in words is "one hundred twenty-five million, sixty-three thousand, two hundred seventy-eight".