1061722142 has 16 divisors (see below), whose sum is σ = 1756922832. Its totient is φ = 478073280.

The previous prime is 1061722127. The next prime is 1061722163. The reversal of 1061722142 is 2412271601.

1061722142 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 2×1061722142² = 2254507813626136328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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, 496928 + ... + 499059.

It is an arithmetic number, because the mean of its divisors is an integer number (109807677).

Almost surely, 2^1061722142 is an apocalyptic number.

1061722142 is a deficient number, since it is larger than the sum of its proper divisors (695200690).

1061722142 is a wasteful number, since it uses less digits than its factorization.

1061722142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996043.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1061722142 is about 32584.0780443455. The cubic root of 1061722142 is about 1020.1646991511.

Adding to 1061722142 its reverse (2412271601), we get a palindrome (3473993743).

The spelling of 1061722142 in words is "one billion, sixty-one million, seven hundred twenty-two thousand, one hundred forty-two".