125321242 has 8 divisors (see below), whose sum is σ = 189227232. Its totient is φ = 62245500.

The previous prime is 125321219. The next prime is 125321291. The reversal of 125321242 is 242123521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207184 + ... + 207787.

It is an arithmetic number, because the mean of its divisors is an integer number (23653404).

Almost surely, 2^125321242 is an apocalyptic number.

125321242 is a deficient number, since it is larger than the sum of its proper divisors (63905990).

125321242 is a wasteful number, since it uses less digits than its factorization.

125321242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415124.

The product of its digits is 960, while the sum is 22.

The square root of 125321242 is about 11194.6970481563. The cubic root of 125321242 is about 500.4279562690.

Adding to 125321242 its reverse (242123521), we get a palindrome (367444763).

The spelling of 125321242 in words is "one hundred twenty-five million, three hundred twenty-one thousand, two hundred forty-two".