125442124242 has 8 divisors (see below), whose sum is σ = 250884248496. Its totient is φ = 41814041412.

The previous prime is 125442124201. The next prime is 125442124253. The reversal of 125442124242 is 242421244521.

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

125442124242 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, 10453510348 + ... + 10453510359.

It is an arithmetic number, because the mean of its divisors is an integer number (31360531062).

Almost surely, 2^125442124242 is an apocalyptic number.

125442124242 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.

125442124242 is a wasteful number, since it uses less digits than its factorization.

125442124242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20907020712.

The product of its digits is 40960, while the sum is 33.

Adding to 125442124242 its reverse (242421244521), we get a palindrome (367863368763).

The spelling of 125442124242 in words is "one hundred twenty-five billion, four hundred forty-two million, one hundred twenty-four thousand, two hundred forty-two".