127621422007 has 16 divisors (see below), whose sum is σ = 137102015232. Its totient is φ = 118361837440.

The previous prime is 127621421959. The next prime is 127621422059. The reversal of 127621422007 is 700224126721.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127621422007 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 (127621420007) 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, 2420508 + ... + 2472670.

It is an arithmetic number, because the mean of its divisors is an integer number (8568875952).

Almost surely, 2^127621422007 is an apocalyptic number.

127621422007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

127621422007 is a deficient number, since it is larger than the sum of its proper divisors (9480593225).

127621422007 is a wasteful number, since it uses less digits than its factorization.

127621422007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54278.

The product of its (nonzero) digits is 18816, while the sum is 34.

Adding to 127621422007 its reverse (700224126721), we get a palindrome (827845548728).

The spelling of 127621422007 in words is "one hundred twenty-seven billion, six hundred twenty-one million, four hundred twenty-two thousand, seven".