126642789534954 has 64 divisors (see below), whose sum is σ = 315788445066240. Its totient is φ = 32893832401920.

The previous prime is 126642789534953. The next prime is 126642789535063. The reversal of 126642789534954 is 459435987246621.

It is a super-2 number, since 2×126642789534954² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126642789534953) 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, 37500237 + ... + 40737615.

It is an arithmetic number, because the mean of its divisors is an integer number (4934194454160).

Almost surely, 2^{126642789534954} is an apocalyptic number.

126642789534954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

126642789534954 is an abundant number, since it is smaller than the sum of its proper divisors (189145655531286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126642789534954 is a wasteful number, since it uses less digits than its factorization.

126642789534954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322075.

The product of its digits is 3135283200, while the sum is 75.

The spelling of 126642789534954 in words is "one hundred twenty-six trillion, six hundred forty-two billion, seven hundred eighty-nine million, five hundred thirty-four thousand, nine hundred fifty-four".