125011428 has 24 divisors (see below), whose sum is σ = 292000800. Its totient is φ = 41626560.

The previous prime is 125011379. The next prime is 125011429. The reversal of 125011428 is 824110521.

It is a junction number, because it is equal to n+sod(n) for n = 125011398 and 125011407.

It is not an unprimeable number, because it can be changed into a prime (125011429) 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, 7623 + ... + 17553.

It is an arithmetic number, because the mean of its divisors is an integer number (12166700).

Almost surely, 2^125011428 is an apocalyptic number.

It is an amenable number.

125011428 is an abundant number, since it is smaller than the sum of its proper divisors (166989372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125011428 is a wasteful number, since it uses less digits than its factorization.

125011428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10987 (or 10985 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 125011428 is about 11180.8509515153. The cubic root of 125011428 is about 500.0152368690.

Adding to 125011428 its reverse (824110521), we get a palindrome (949121949).

The spelling of 125011428 in words is "one hundred twenty-five million, eleven thousand, four hundred twenty-eight".