126401166042 has 32 divisors (see below), whose sum is σ = 261645595200. Its totient is φ = 40661244288.

The previous prime is 126401166041. The next prime is 126401166077. The reversal of 126401166042 is 240661104621.

It is a junction number, because it is equal to n+sod(n) for n = 126401165994 and 126401166012.

It is not an unprimeable number, because it can be changed into a prime (126401166041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189613 + ... + 537359.

It is an arithmetic number, because the mean of its divisors is an integer number (8176424850).

Almost surely, 2^126401166042 is an apocalyptic number.

126401166042 is an abundant number, since it is smaller than the sum of its proper divisors (135244429158).

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

126401166042 is a wasteful number, since it uses less digits than its factorization.

126401166042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349870.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 126401166042 in words is "one hundred twenty-six billion, four hundred one million, one hundred sixty-six thousand, forty-two".