126132142 has 4 divisors (see below), whose sum is σ = 189198216. Its totient is φ = 63066070.

The previous prime is 126132121. The next prime is 126132143. The reversal of 126132142 is 241231621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241231621 = 3673 ⋅65677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126132143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31533034 + ... + 31533037.

It is an arithmetic number, because the mean of its divisors is an integer number (47299554).

Almost surely, 2^126132142 is an apocalyptic number.

126132142 is a deficient number, since it is larger than the sum of its proper divisors (63066074).

126132142 is an equidigital number, since it uses as much as digits as its factorization.

126132142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63066073.

The product of its digits is 576, while the sum is 22.

The square root of 126132142 is about 11230.8566903865. The cubic root of 126132142 is about 501.5049881430.

Adding to 126132142 its reverse (241231621), we get a palindrome (367363763).

The spelling of 126132142 in words is "one hundred twenty-six million, one hundred thirty-two thousand, one hundred forty-two".