61122241 has 2 divisors, whose sum is σ = 61122242. Its totient is φ = 61122240.

The previous prime is 61122239. The next prime is 61122251. The reversal of 61122241 is 14222116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37161216 + 23961025 = 6096^2 + 4895^2 .

It is a cyclic number.

It is not a de Polignac number, because 61122241 - 2¹ = 61122239 is a prime.

Together with 61122239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (61122211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30561120 + 30561121.

It is an arithmetic number, because the mean of its divisors is an integer number (30561121).

Almost surely, 2^61122241 is an apocalyptic number.

It is an amenable number.

61122241 is a deficient number, since it is larger than the sum of its proper divisors (1).

61122241 is an equidigital number, since it uses as much as digits as its factorization.

61122241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 19.

The square root of 61122241 is about 7818.0714373815. The cubic root of 61122241 is about 393.9124944167.

Adding to 61122241 its reverse (14222116), we get a palindrome (75344357).

The spelling of 61122241 in words is "sixty-one million, one hundred twenty-two thousand, two hundred forty-one".