126504374 has 4 divisors (see below), whose sum is σ = 189756564. Its totient is φ = 63252186.

The previous prime is 126504353. The next prime is 126504377. The reversal of 126504374 is 473405621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 473405621 = 13 ⋅36415817.

It is a super-2 number, since 2×126504374² = 32006713282263752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126504374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126504377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31626092 + ... + 31626095.

It is an arithmetic number, because the mean of its divisors is an integer number (47439141).

Almost surely, 2^126504374 is an apocalyptic number.

126504374 is a deficient number, since it is larger than the sum of its proper divisors (63252190).

126504374 is an equidigital number, since it uses as much as digits as its factorization.

126504374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63252189.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 126504374 is about 11247.4163255389. The cubic root of 126504374 is about 501.9978386493.

Adding to 126504374 its reverse (473405621), we get a palindrome (599909995).

The spelling of 126504374 in words is "one hundred twenty-six million, five hundred four thousand, three hundred seventy-four".