61214128 has 20 divisors (see below), whose sum is σ = 122693040. Its totient is φ = 29551424.

The previous prime is 61214123. The next prime is 61214137. The reversal of 61214128 is 82141216.

It is not an unprimeable number, because it can be changed into a prime (61214123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65500 + ... + 66427.

It is an arithmetic number, because the mean of its divisors is an integer number (6134652).

Almost surely, 2^61214128 is an apocalyptic number.

It is an amenable number.

61214128 is an abundant number, since it is smaller than the sum of its proper divisors (61478912).

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

61214128 is a wasteful number, since it uses less digits than its factorization.

61214128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131964 (or 131958 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 61214128 is about 7823.9458075833. The cubic root of 61214128 is about 394.1097892912.

The spelling of 61214128 in words is "sixty-one million, two hundred fourteen thousand, one hundred twenty-eight".