126842854 has 4 divisors (see below), whose sum is σ = 190264284. Its totient is φ = 63421426.

The previous prime is 126842827. The next prime is 126842857. The reversal of 126842854 is 458248621.

It is a happy number.

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

It is a super-2 number, since 2×126842854² = 32178219221730632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126842857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31710712 + ... + 31710715.

It is an arithmetic number, because the mean of its divisors is an integer number (47566071).

Almost surely, 2^126842854 is an apocalyptic number.

126842854 is a deficient number, since it is larger than the sum of its proper divisors (63421430).

126842854 is an equidigital number, since it uses as much as digits as its factorization.

126842854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63421429.

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

The square root of 126842854 is about 11262.4532851417. The cubic root of 126842854 is about 502.4451615445.

The spelling of 126842854 in words is "one hundred twenty-six million, eight hundred forty-two thousand, eight hundred fifty-four".