126943342 has 4 divisors (see below), whose sum is σ = 190415016. Its totient is φ = 63471670.

The previous prime is 126943309. The next prime is 126943343. The reversal of 126943342 is 243349621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×126943342² = 32229224156257928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126943298 and 126943307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126943343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31735834 + ... + 31735837.

It is an arithmetic number, because the mean of its divisors is an integer number (47603754).

Almost surely, 2^126943342 is an apocalyptic number.

126943342 is a deficient number, since it is larger than the sum of its proper divisors (63471674).

126943342 is an equidigital number, since it uses as much as digits as its factorization.

126943342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63471673.

The product of its digits is 31104, while the sum is 34.

The square root of 126943342 is about 11266.9135968996. The cubic root of 126943342 is about 502.5778096220.

The spelling of 126943342 in words is "one hundred twenty-six million, nine hundred forty-three thousand, three hundred forty-two".