125130015442 has 8 divisors (see below), whose sum is σ = 195855676416. Its totient is φ = 59844789972.

The previous prime is 125130015427. The next prime is 125130015481. The reversal of 125130015442 is 244510031521.

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 125130015442.

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, 1360108818 + ... + 1360108909.

It is an arithmetic number, because the mean of its divisors is an integer number (24481959552).

Almost surely, 2^125130015442 is an apocalyptic number.

125130015442 is a deficient number, since it is larger than the sum of its proper divisors (70725660974).

125130015442 is a wasteful number, since it uses less digits than its factorization.

125130015442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720217752.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 125130015442 its reverse (244510031521), we get a palindrome (369640046963).

The spelling of 125130015442 in words is "one hundred twenty-five billion, one hundred thirty million, fifteen thousand, four hundred forty-two".