61122112 has 28 divisors (see below), whose sum is σ = 123352560. Its totient is φ = 30041216.

The previous prime is 61122073. The next prime is 61122121. The reversal of 61122112 is 21122116.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4318 + ... + 11869.

Almost surely, 2^61122112 is an apocalyptic number.

It is an amenable number.

61122112 is an abundant number, since it is smaller than the sum of its proper divisors (62230448).

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

61122112 is a wasteful number, since it uses less digits than its factorization.

61122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16258 (or 16248 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 61122112 is about 7818.0631872606. The cubic root of 61122112 is about 393.9122172959.

Adding to 61122112 its reverse (21122116), we get a palindrome (82244228).

The spelling of 61122112 in words is "sixty-one million, one hundred twenty-two thousand, one hundred twelve".