61615122 has 8 divisors (see below), whose sum is σ = 123230256. Its totient is φ = 20538372.

The previous prime is 61615117. The next prime is 61615129. The reversal of 61615122 is 22151616.

It is a sphenic number, since it is the product of 3 distinct primes.

61615122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 61615092 and 61615101.

It is not an unprimeable number, because it can be changed into a prime (61615129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5134588 + ... + 5134599.

It is an arithmetic number, because the mean of its divisors is an integer number (15403782).

Almost surely, 2^61615122 is an apocalyptic number.

61615122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61615122 is a wasteful number, since it uses less digits than its factorization.

61615122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10269192.

The product of its digits is 720, while the sum is 24.

The square root of 61615122 is about 7849.5300496272. The cubic root of 61615122 is about 394.9684790315.

Adding to 61615122 its reverse (22151616), we get a palindrome (83766738).

The spelling of 61615122 in words is "sixty-one million, six hundred fifteen thousand, one hundred twenty-two".