126771042 has 8 divisors (see below), whose sum is σ = 253542096. Its totient is φ = 42257012.

The previous prime is 126771041. The next prime is 126771049. The reversal of 126771042 is 240177621.

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

126771042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (126771041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10564248 + ... + 10564259.

It is an arithmetic number, because the mean of its divisors is an integer number (31692762).

Almost surely, 2^126771042 is an apocalyptic number.

126771042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

126771042 is a wasteful number, since it uses less digits than its factorization.

126771042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21128512.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 126771042 is about 11259.2647184441. The cubic root of 126771042 is about 502.3503239768.

The spelling of 126771042 in words is "one hundred twenty-six million, seven hundred seventy-one thousand, forty-two".