125242012 has 48 divisors (see below), whose sum is σ = 257789952. Its totient is φ = 52133760.

The previous prime is 125241989. The next prime is 125242031. The reversal of 125242012 is 210242521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144693 + ... + 145555.

It is an arithmetic number, because the mean of its divisors is an integer number (5370624).

Almost surely, 2^125242012 is an apocalyptic number.

It is an amenable number.

125242012 is an abundant number, since it is smaller than the sum of its proper divisors (132547940).

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

125242012 is a wasteful number, since it uses less digits than its factorization.

125242012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018 (or 1016 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 125242012 is about 11191.1577595886. The cubic root of 125242012 is about 500.3224746422.

Adding to 125242012 its reverse (210242521), we get a palindrome (335484533).

It can be divided in two parts, 1252 and 42012, that added together give a square (43264 = 208²).

The spelling of 125242012 in words is "one hundred twenty-five million, two hundred forty-two thousand, twelve".