1071429204642 has 16 divisors (see below), whose sum is σ = 2144642652192. Its totient is φ = 356845694400.

The previous prime is 1071429204623. The next prime is 1071429204653. The reversal of 1071429204642 is 2464029241701.

1071429204642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1071429204642² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1071429204594 and 1071429204603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74335648 + ... + 74350059.

It is an arithmetic number, because the mean of its divisors is an integer number (134040165762).

Almost surely, 2^{1071429204642} is an apocalyptic number.

1071429204642 is an abundant number, since it is smaller than the sum of its proper divisors (1073213447550).

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

1071429204642 is a wasteful number, since it uses less digits than its factorization.

1071429204642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148686913.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 1071429204642 in words is "one trillion, seventy-one billion, four hundred twenty-nine million, two hundred four thousand, six hundred forty-two".