125031276 has 72 divisors (see below), whose sum is σ = 329609280. Its totient is φ = 41442192.

The previous prime is 125031239. The next prime is 125031281. The reversal of 125031276 is 672130521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298195 + ... + 298613.

Almost surely, 2^125031276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125031276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164804640).

125031276 is an abundant number, since it is smaller than the sum of its proper divisors (204578004).

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

125031276 is a wasteful number, since it uses less digits than its factorization.

125031276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 125031276 is about 11181.7385052594. The cubic root of 125031276 is about 500.0416978558.

Adding to 125031276 its reverse (672130521), we get a palindrome (797161797).

The spelling of 125031276 in words is "one hundred twenty-five million, thirty-one thousand, two hundred seventy-six".