126672842 has 8 divisors (see below), whose sum is σ = 191175456. Its totient is φ = 62947692.

The previous prime is 126672757. The next prime is 126672869. The reversal of 126672842 is 248276621.

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

It is a super-3 number, since 3×126672842³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126672796 and 126672805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193958 + ... + 194609.

It is an arithmetic number, because the mean of its divisors is an integer number (23896932).

Almost surely, 2^126672842 is an apocalyptic number.

126672842 is a deficient number, since it is larger than the sum of its proper divisors (64502614).

126672842 is a wasteful number, since it uses less digits than its factorization.

126672842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388732.

The product of its digits is 64512, while the sum is 38.

The square root of 126672842 is about 11254.9030204618. The cubic root of 126672842 is about 502.2205794543.

The spelling of 126672842 in words is "one hundred twenty-six million, six hundred seventy-two thousand, eight hundred forty-two".