126641072371 has 16 divisors (see below), whose sum is σ = 139925859840. Its totient is φ = 113652096480.

The previous prime is 126641072357. The next prime is 126641072377. The reversal of 126641072371 is 173270146621.

It is a cyclic number.

It is not a de Polignac number, because 126641072371 - 2²⁹ = 126104201459 is a prime.

It is a super-2 number, since 2×126641072371² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126641072377) 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, 10454100 + ... + 10466206.

It is an arithmetic number, because the mean of its divisors is an integer number (8745366240).

Almost surely, 2^126641072371 is an apocalyptic number.

126641072371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

126641072371 is a deficient number, since it is larger than the sum of its proper divisors (13284787469).

126641072371 is a wasteful number, since it uses less digits than its factorization.

126641072371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24234.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 126641072371 in words is "one hundred twenty-six billion, six hundred forty-one million, seventy-two thousand, three hundred seventy-one".