7291126 has 4 divisors (see below), whose sum is σ = 10936692. Its totient is φ = 3645562.

The previous prime is 7291121. The next prime is 7291129. The reversal of 7291126 is 6211927.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 7291094 and 7291103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7291121) 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 as a sum of consecutive naturals, namely, 1822780 + ... + 1822783.

It is an arithmetic number, because the mean of its divisors is an integer number (2734173).

Almost surely, 2^7291126 is an apocalyptic number.

7291126 is a deficient number, since it is larger than the sum of its proper divisors (3645566).

7291126 is a wasteful number, since it uses less digits than its factorization.

7291126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645565.

The product of its digits is 1512, while the sum is 28.

The square root of 7291126 is about 2700.2085104673. The cubic root of 7291126 is about 193.9091046896.

The spelling of 7291126 in words is "seven million, two hundred ninety-one thousand, one hundred twenty-six".