61211126 has 4 divisors (see below), whose sum is σ = 91816692. Its totient is φ = 30605562.

The previous prime is 61211113. The next prime is 61211167. The reversal of 61211126 is 62111216.

61211126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 61211098 and 61211107.

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 as a sum of consecutive naturals, namely, 15302780 + ... + 15302783.

It is an arithmetic number, because the mean of its divisors is an integer number (22954173).

Almost surely, 2^61211126 is an apocalyptic number.

61211126 is a deficient number, since it is larger than the sum of its proper divisors (30605566).

61211126 is a wasteful number, since it uses less digits than its factorization.

61211126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30605565.

The product of its digits is 144, while the sum is 20.

The square root of 61211126 is about 7823.7539582990. The cubic root of 61211126 is about 394.1033466775.

The spelling of 61211126 in words is "sixty-one million, two hundred eleven thousand, one hundred twenty-six".