126948705228 has 18 divisors (see below), whose sum is σ = 320898116084. Its totient is φ = 42316235064.

The previous prime is 126948705223. The next prime is 126948705239. The reversal of 126948705228 is 822507849621.

126948705228 is a `hidden beast` number, since 1 + 2 + 6 + 9 + 48 + 70 + 522 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×126948705228² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126948705223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1763176426 + ... + 1763176497.

Almost surely, 2^126948705228 is an apocalyptic number.

126948705228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

126948705228 is an abundant number, since it is smaller than the sum of its proper divisors (193949410856).

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

126948705228 is a wasteful number, since it uses less digits than its factorization.

126948705228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3526352933 (or 3526352928 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 126948705228 in words is "one hundred twenty-six billion, nine hundred forty-eight million, seven hundred five thousand, two hundred twenty-eight".