61122443 has 2 divisors, whose sum is σ = 61122444. Its totient is φ = 61122442.

The previous prime is 61122371. The next prime is 61122469. The reversal of 61122443 is 34422116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61122443 - 2¹⁶ = 61056907 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (61124443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30561221 + 30561222.

It is an arithmetic number, because the mean of its divisors is an integer number (30561222).

Almost surely, 2^61122443 is an apocalyptic number.

61122443 is a deficient number, since it is larger than the sum of its proper divisors (1).

61122443 is an equidigital number, since it uses as much as digits as its factorization.

61122443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 61122443 is about 7818.0843561578. The cubic root of 61122443 is about 393.9129283572.

Adding to 61122443 its reverse (34422116), we get a palindrome (95544559).

The spelling of 61122443 in words is "sixty-one million, one hundred twenty-two thousand, four hundred forty-three".