126747142 has 16 divisors (see below), whose sum is σ = 195581232. Its totient is φ = 61578720.

The previous prime is 126747133. The next prime is 126747161. The reversal of 126747142 is 241747621.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 126747098 and 126747107.

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, 3868 + ... + 16384.

It is an arithmetic number, because the mean of its divisors is an integer number (12223827).

Almost surely, 2^126747142 is an apocalyptic number.

126747142 is a deficient number, since it is larger than the sum of its proper divisors (68834090).

126747142 is a wasteful number, since it uses less digits than its factorization.

126747142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12663.

The product of its digits is 18816, while the sum is 34.

The square root of 126747142 is about 11258.2033202461. The cubic root of 126747142 is about 502.3187528147.

The spelling of 126747142 in words is "one hundred twenty-six million, seven hundred forty-seven thousand, one hundred forty-two".