127021900514 has 4 divisors (see below), whose sum is σ = 190532850774. Its totient is φ = 63510950256.

The previous prime is 127021900507. The next prime is 127021900519. The reversal of 127021900514 is 415009120721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 120629098489 + 6392802025 = 347317^2 + 79955^2 .

It is a super-2 number, since 2×127021900514² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127021900519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31755475127 + ... + 31755475130.

Almost surely, 2^127021900514 is an apocalyptic number.

127021900514 is a deficient number, since it is larger than the sum of its proper divisors (63510950260).

127021900514 is an equidigital number, since it uses as much as digits as its factorization.

127021900514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63510950259.

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 127021900514 in words is "one hundred twenty-seven billion, twenty-one million, nine hundred thousand, five hundred fourteen".