126054538 has 4 divisors (see below), whose sum is σ = 189081810. Its totient is φ = 63027268.

The previous prime is 126054499. The next prime is 126054571. The reversal of 126054538 is 835450621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 835450621 = 97 ⋅8612893.

It can be written as a sum of positive squares in only one way, i.e., 90497169 + 35557369 = 9513^2 + 5963^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31513633 + ... + 31513636.

Almost surely, 2^126054538 is an apocalyptic number.

126054538 is a deficient number, since it is larger than the sum of its proper divisors (63027272).

126054538 is an equidigital number, since it uses as much as digits as its factorization.

126054538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63027271.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 126054538 is about 11227.4012131036. The cubic root of 126054538 is about 501.4021151377.

The spelling of 126054538 in words is "one hundred twenty-six million, fifty-four thousand, five hundred thirty-eight".