127242307247 has 16 divisors (see below), whose sum is σ = 139482432000. Its totient is φ = 115115526240.

The previous prime is 127242307229. The next prime is 127242307261. The reversal of 127242307247 is 742703242721.

It is a de Polignac number, because none of the positive numbers 2^k-127242307247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127242307277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2058254 + ... + 2119172.

It is an arithmetic number, because the mean of its divisors is an integer number (8717652000).

Almost surely, 2^127242307247 is an apocalyptic number.

127242307247 is a deficient number, since it is larger than the sum of its proper divisors (12240124753).

127242307247 is a wasteful number, since it uses less digits than its factorization.

127242307247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61846.

The product of its (nonzero) digits is 263424, while the sum is 41.

Adding to 127242307247 its reverse (742703242721), we get a palindrome (869945549968).

The spelling of 127242307247 in words is "one hundred twenty-seven billion, two hundred forty-two million, three hundred seven thousand, two hundred forty-seven".