125213442 has 8 divisors (see below), whose sum is σ = 250426896. Its totient is φ = 41737812.

The previous prime is 125213411. The next prime is 125213461. The reversal of 125213442 is 244312521.

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

125213442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10434448 + ... + 10434459.

It is an arithmetic number, because the mean of its divisors is an integer number (31303362).

Almost surely, 2^125213442 is an apocalyptic number.

125213442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

125213442 is a wasteful number, since it uses less digits than its factorization.

125213442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20868912.

The product of its digits is 1920, while the sum is 24.

The square root of 125213442 is about 11189.8812326137. The cubic root of 125213442 is about 500.2844275046.

Adding to 125213442 its reverse (244312521), we get a palindrome (369525963).

The spelling of 125213442 in words is "one hundred twenty-five million, two hundred thirteen thousand, four hundred forty-two".