126063721427 has 32 divisors (see below), whose sum is σ = 147851235840. Its totient is φ = 105260601600.

The previous prime is 126063721417. The next prime is 126063721439. The reversal of 126063721427 is 724127360621.

It is not a de Polignac number, because 126063721427 - 2¹² = 126063717331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126063721417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30005927 + ... + 30010127.

It is an arithmetic number, because the mean of its divisors is an integer number (4620351120).

Almost surely, 2^126063721427 is an apocalyptic number.

126063721427 is a deficient number, since it is larger than the sum of its proper divisors (21787514413).

126063721427 is a wasteful number, since it uses less digits than its factorization.

126063721427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 126063721427 in words is "one hundred twenty-six billion, sixty-three million, seven hundred twenty-one thousand, four hundred twenty-seven".