126422780685 has 8 divisors (see below), whose sum is σ = 202276449120. Its totient is φ = 67425483024.

The previous prime is 126422780683. The next prime is 126422780719. The reversal of 126422780685 is 586087224621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126422780685 - 2¹ = 126422780683 is a prime.

It is a super-2 number, since 2×126422780685² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126422780683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4214092675 + ... + 4214092704.

It is an arithmetic number, because the mean of its divisors is an integer number (25284556140).

Almost surely, 2^126422780685 is an apocalyptic number.

126422780685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126422780685 is a deficient number, since it is larger than the sum of its proper divisors (75853668435).

126422780685 is an equidigital number, since it uses as much as digits as its factorization.

126422780685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8428185387.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 126422780685 in words is "one hundred twenty-six billion, four hundred twenty-two million, seven hundred eighty thousand, six hundred eighty-five".