61228119 has 16 divisors (see below), whose sum is σ = 82815840. Its totient is φ = 40233600.

The previous prime is 61228117. The next prime is 61228147. The reversal of 61228119 is 91182216.

It is a happy number.

61228119 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61228119 - 2¹ = 61228117 is a prime.

It is a super-2 number, since 2×61228119² = 7497765112556322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61228117) 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 in 15 ways as a sum of consecutive naturals, for example, 120037 + ... + 120545.

It is an arithmetic number, because the mean of its divisors is an integer number (5175990).

Almost surely, 2^61228119 is an apocalyptic number.

61228119 is a deficient number, since it is larger than the sum of its proper divisors (21587721).

61228119 is a wasteful number, since it uses less digits than its factorization.

61228119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010.

The product of its digits is 1728, while the sum is 30.

The square root of 61228119 is about 7824.8398705660. The cubic root of 61228119 is about 394.1398126981.

It can be divided in two parts, 6122 and 8119, that added together give a palindrome (14241).

The spelling of 61228119 in words is "sixty-one million, two hundred twenty-eight thousand, one hundred nineteen".