61090128 has 60 divisors (see below), whose sum is σ = 186514848. Its totient is φ = 18511680.

The previous prime is 61090121. The next prime is 61090151. The reversal of 61090128 is 82109016.

It is a super-3 number, since 3×61090128³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61090121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17700 + ... + 20867.

Almost surely, 2^61090128 is an apocalyptic number.

It is an amenable number.

61090128 is an abundant number, since it is smaller than the sum of its proper divisors (125424720).

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

61090128 is a wasteful number, since it uses less digits than its factorization.

61090128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38592 (or 38583 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 61090128 is about 7816.0174001853. The cubic root of 61090128 is about 393.8434964671.

The spelling of 61090128 in words is "sixty-one million, ninety thousand, one hundred twenty-eight".