125131450142 has 16 divisors (see below), whose sum is σ = 191480304912. Its totient is φ = 61315600320.

The previous prime is 125131450123. The next prime is 125131450229. The reversal of 125131450142 is 241054131521.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2706584 + ... + 2752427.

It is an arithmetic number, because the mean of its divisors is an integer number (11967519057).

Almost surely, 2^125131450142 is an apocalyptic number.

125131450142 is a deficient number, since it is larger than the sum of its proper divisors (66348854770).

125131450142 is a wasteful number, since it uses less digits than its factorization.

125131450142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5459243.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 125131450142 its reverse (241054131521), we get a palindrome (366185581663).

The spelling of 125131450142 in words is "one hundred twenty-five billion, one hundred thirty-one million, four hundred fifty thousand, one hundred forty-two".