126540374 has 8 divisors (see below), whose sum is σ = 190153008. Its totient is φ = 63156040.

The previous prime is 126540371. The next prime is 126540397. The reversal of 126540374 is 473045621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 126540374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126540371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55682 + ... + 57909.

It is an arithmetic number, because the mean of its divisors is an integer number (23769126).

Almost surely, 2^126540374 is an apocalyptic number.

126540374 is a deficient number, since it is larger than the sum of its proper divisors (63612634).

126540374 is a wasteful number, since it uses less digits than its factorization.

126540374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114150.

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

The square root of 126540374 is about 11249.0165792393. The cubic root of 126540374 is about 502.0454528348.

Adding to 126540374 its reverse (473045621), we get a palindrome (599585995).

The spelling of 126540374 in words is "one hundred twenty-six million, five hundred forty thousand, three hundred seventy-four".