61404126 has 32 divisors (see below), whose sum is σ = 141937920. Its totient is φ = 17345856.

The previous prime is 61404097. The next prime is 61404131. The reversal of 61404126 is 62140416.

It is a junction number, because it is equal to n+sod(n) for n = 61404096 and 61404105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4476 + ... + 11951.

It is an arithmetic number, because the mean of its divisors is an integer number (4435560).

Almost surely, 2^61404126 is an apocalyptic number.

61404126 is an abundant number, since it is smaller than the sum of its proper divisors (80533794).

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

61404126 is a wasteful number, since it uses less digits than its factorization.

61404126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16528.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 61404126 is about 7836.0784835273. The cubic root of 61404126 is about 394.5171175553.

The spelling of 61404126 in words is "sixty-one million, four hundred four thousand, one hundred twenty-six".