125311023442 has 8 divisors (see below), whose sum is σ = 205054402032. Its totient is φ = 56959556100.

The previous prime is 125311023419. The next prime is 125311023443. The reversal of 125311023442 is 244320113521.

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 125311023442.

It is not an unprimeable number, because it can be changed into a prime (125311023443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2847977784 + ... + 2847977827.

It is an arithmetic number, because the mean of its divisors is an integer number (25631800254).

Almost surely, 2^125311023442 is an apocalyptic number.

125311023442 is a deficient number, since it is larger than the sum of its proper divisors (79743378590).

125311023442 is a wasteful number, since it uses less digits than its factorization.

125311023442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5695955624.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 125311023442 its reverse (244320113521), we get a palindrome (369631136963).

The spelling of 125311023442 in words is "one hundred twenty-five billion, three hundred eleven million, twenty-three thousand, four hundred forty-two".