126884542 has 4 divisors (see below), whose sum is σ = 190326816. Its totient is φ = 63442270.

The previous prime is 126884539. The next prime is 126884543. The reversal of 126884542 is 245488621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 126884495 and 126884504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126884543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31721134 + ... + 31721137.

It is an arithmetic number, because the mean of its divisors is an integer number (47581704).

Almost surely, 2^126884542 is an apocalyptic number.

126884542 is a deficient number, since it is larger than the sum of its proper divisors (63442274).

126884542 is an equidigital number, since it uses as much as digits as its factorization.

126884542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63442273.

The product of its digits is 122880, while the sum is 40.

The square root of 126884542 is about 11264.3038843952. The cubic root of 126884542 is about 502.5001998300.

The spelling of 126884542 in words is "one hundred twenty-six million, eight hundred eighty-four thousand, five hundred forty-two".