126191436 has 48 divisors (see below), whose sum is σ = 337069824. Its totient is φ = 35994816.

The previous prime is 126191327. The next prime is 126191437. The reversal of 126191436 is 634191621.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 126191397 and 126191406.

It is not an unprimeable number, because it can be changed into a prime (126191437) 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 in 15 ways as a sum of consecutive naturals, for example, 84351 + ... + 85833.

It is an arithmetic number, because the mean of its divisors is an integer number (7022288).

Almost surely, 2^126191436 is an apocalyptic number.

It is an amenable number.

126191436 is an abundant number, since it is smaller than the sum of its proper divisors (210878388).

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

126191436 is a wasteful number, since it uses less digits than its factorization.

126191436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510 (or 2508 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 126191436 is about 11233.4961610355. The cubic root of 126191436 is about 501.5835607096.

The spelling of 126191436 in words is "one hundred twenty-six million, one hundred ninety-one thousand, four hundred thirty-six".