125284478 has 16 divisors (see below), whose sum is σ = 205922304. Its totient is φ = 56694360.

The previous prime is 125284477. The next prime is 125284483. The reversal of 125284478 is 874482521.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125284477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7550 + ... + 17537.

It is an arithmetic number, because the mean of its divisors is an integer number (12870144).

Almost surely, 2^125284478 is an apocalyptic number.

125284478 is a deficient number, since it is larger than the sum of its proper divisors (80637826).

125284478 is a wasteful number, since it uses less digits than its factorization.

125284478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25327.

The product of its digits is 143360, while the sum is 41.

The square root of 125284478 is about 11193.0549002495. The cubic root of 125284478 is about 500.3790166202.

The spelling of 125284478 in words is "one hundred twenty-five million, two hundred eighty-four thousand, four hundred seventy-eight".