1071607061742 has 64 divisors (see below), whose sum is σ = 2478961774080. Its totient is φ = 302493993984.

The previous prime is 1071607061719. The next prime is 1071607061773. The reversal of 1071607061742 is 2471607061701.

It is a super-2 number, since 2×1071607061742² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1071607061694 and 1071607061703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1124809 + ... + 1846187.

It is an arithmetic number, because the mean of its divisors is an integer number (38733777720).

Almost surely, 2^{1071607061742} is an apocalyptic number.

1071607061742 is an abundant number, since it is smaller than the sum of its proper divisors (1407354712338).

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

1071607061742 is a wasteful number, since it uses less digits than its factorization.

1071607061742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721817.

The product of its (nonzero) digits is 98784, while the sum is 42.

The spelling of 1071607061742 in words is "one trillion, seventy-one billion, six hundred seven million, sixty-one thousand, seven hundred forty-two".