126774554 has 8 divisors (see below), whose sum is σ = 191328960. Its totient is φ = 62998236.

The previous prime is 126774553. The next prime is 126774577. The reversal of 126774554 is 455477621.

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

It is not an unprimeable number, because it can be changed into a prime (126774553) 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, 194114 + ... + 194765.

It is an arithmetic number, because the mean of its divisors is an integer number (23916120).

Almost surely, 2^126774554 is an apocalyptic number.

126774554 is a deficient number, since it is larger than the sum of its proper divisors (64554406).

126774554 is a wasteful number, since it uses less digits than its factorization.

126774554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389044.

The product of its digits is 235200, while the sum is 41.

The square root of 126774554 is about 11259.4206778146. The cubic root of 126774554 is about 502.3549628859.

The spelling of 126774554 in words is "one hundred twenty-six million, seven hundred seventy-four thousand, five hundred fifty-four".