125554423442 has 8 divisors (see below), whose sum is σ = 215236154496. Its totient is φ = 53809038612.

The previous prime is 125554423367. The next prime is 125554423523. The reversal of 125554423442 is 244324455521.

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

It is a self number, because there is not a number n which added to its sum of digits gives 125554423442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4484086538 + ... + 4484086565.

It is an arithmetic number, because the mean of its divisors is an integer number (26904519312).

Almost surely, 2^125554423442 is an apocalyptic number.

125554423442 is a deficient number, since it is larger than the sum of its proper divisors (89681731054).

125554423442 is an equidigital number, since it uses as much as digits as its factorization.

125554423442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8968173112.

The product of its digits is 768000, while the sum is 41.

Adding to 125554423442 its reverse (244324455521), we get a palindrome (369878878963).

The spelling of 125554423442 in words is "one hundred twenty-five billion, five hundred fifty-four million, four hundred twenty-three thousand, four hundred forty-two".