126947574 has 96 divisors (see below), whose sum is σ = 312609024. Its totient is φ = 38374560.

The previous prime is 126947543. The next prime is 126947591. The reversal of 126947574 is 475749621.

126947574 is a `hidden beast` number, since 12 + 69 + 4 + 7 + 574 = 666.

It is a super-2 number, since 2×126947574² = 32231373088970952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 448437 + ... + 448719.

It is an arithmetic number, because the mean of its divisors is an integer number (3256344).

Almost surely, 2^126947574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126947574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156304512).

126947574 is an abundant number, since it is smaller than the sum of its proper divisors (185661450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126947574 is a wasteful number, since it uses less digits than its factorization.

126947574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 372 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 126947574 is about 11267.1014018691. The cubic root of 126947574 is about 502.5833944906.

The spelling of 126947574 in words is "one hundred twenty-six million, nine hundred forty-seven thousand, five hundred seventy-four".