126422281520 has 40 divisors (see below), whose sum is σ = 294032769984. Its totient is φ = 50551542272.

The previous prime is 126422281507. The next prime is 126422281541. The reversal of 126422281520 is 25182224621.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35789 + ... + 504108.

Almost surely, 2^126422281520 is an apocalyptic number.

126422281520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126422281520 is an abundant number, since it is smaller than the sum of its proper divisors (167610488464).

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

126422281520 is a wasteful number, since it uses less digits than its factorization.

126422281520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542837 (or 542831 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The spelling of 126422281520 in words is "one hundred twenty-six billion, four hundred twenty-two million, two hundred eighty-one thousand, five hundred twenty".