126354019060 has 24 divisors (see below), whose sum is σ = 274493215080. Its totient is φ = 48798793344.

The previous prime is 126354019049. The next prime is 126354019061. The reversal of 126354019060 is 60910453621.

It can be written as a sum of positive squares in 4 ways, for example, as 14943595536 + 111410423524 = 122244^2 + 333782^2 .

It is a super-2 number, since 2×126354019060² (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 (126354019061) 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, 108925299 + ... + 108926458.

It is an arithmetic number, because the mean of its divisors is an integer number (11437217295).

Almost surely, 2^126354019060 is an apocalyptic number.

126354019060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126354019060 is an abundant number, since it is smaller than the sum of its proper divisors (148139196020).

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

126354019060 is a wasteful number, since it uses less digits than its factorization.

126354019060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217851795 (or 217851793 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 126354019060 in words is "one hundred twenty-six billion, three hundred fifty-four million, nineteen thousand, sixty".