61161122 has 16 divisors (see below), whose sum is σ = 100312992. Its totient is φ = 27736320.

The previous prime is 61161097. The next prime is 61161143. The reversal of 61161122 is 22116116.

It is a junction number, because it is equal to n+sod(n) for n = 61161094 and 61161103.

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, 7298 + ... + 13250.

It is an arithmetic number, because the mean of its divisors is an integer number (6269562).

Almost surely, 2^61161122 is an apocalyptic number.

61161122 is a deficient number, since it is larger than the sum of its proper divisors (39151870).

61161122 is a wasteful number, since it uses less digits than its factorization.

61161122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6433.

The product of its digits is 144, while the sum is 20.

The square root of 61161122 is about 7820.5576527509. The cubic root of 61161122 is about 393.9960017460.

Adding to 61161122 its reverse (22116116), we get a palindrome (83277238).

The spelling of 61161122 in words is "sixty-one million, one hundred sixty-one thousand, one hundred twenty-two".