61122115 has 8 divisors (see below), whose sum is σ = 73558800. Its totient is φ = 48756192.

The previous prime is 61122073. The next prime is 61122121. The reversal of 61122115 is 51122116.

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

It is a cyclic number.

It is not a de Polignac number, because 61122115 - 2¹¹ = 61120067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61122092 and 61122101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15769 + ... + 19258.

It is an arithmetic number, because the mean of its divisors is an integer number (9194850).

Almost surely, 2^61122115 is an apocalyptic number.

61122115 is a deficient number, since it is larger than the sum of its proper divisors (12436685).

61122115 is a wasteful number, since it uses less digits than its factorization.

61122115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35381.

The product of its digits is 120, while the sum is 19.

The square root of 61122115 is about 7818.0633791240. The cubic root of 61122115 is about 393.9122237405.

Subtracting from 61122115 its reverse (51122116), we obtain a palindrome (9999999).

The spelling of 61122115 in words is "sixty-one million, one hundred twenty-two thousand, one hundred fifteen".