126479378 has 4 divisors (see below), whose sum is σ = 189719070. Its totient is φ = 63239688.

The previous prime is 126479377. The next prime is 126479399. The reversal of 126479378 is 873974621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 873974621 = 13 ⋅67228817.

It can be written as a sum of positive squares in only one way, i.e., 100540729 + 25938649 = 10027^2 + 5093^2 .

It is not an unprimeable number, because it can be changed into a prime (126479377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31619843 + ... + 31619846.

Almost surely, 2^126479378 is an apocalyptic number.

126479378 is a deficient number, since it is larger than the sum of its proper divisors (63239692).

126479378 is an equidigital number, since it uses as much as digits as its factorization.

126479378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63239691.

The product of its digits is 508032, while the sum is 47.

The square root of 126479378 is about 11246.3050821147. The cubic root of 126479378 is about 501.9647732195.

The spelling of 126479378 in words is "one hundred twenty-six million, four hundred seventy-nine thousand, three hundred seventy-eight".