61124429 has 2 divisors, whose sum is σ = 61124430. Its totient is φ = 61124428.

The previous prime is 61124411. The next prime is 61124443. The reversal of 61124429 is 92442116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60762025 + 362404 = 7795^2 + 602^2 .

It is a cyclic number.

It is not a de Polignac number, because 61124429 - 2²⁴ = 44347213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61124449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30562214 + 30562215.

It is an arithmetic number, because the mean of its divisors is an integer number (30562215).

Almost surely, 2^61124429 is an apocalyptic number.

It is an amenable number.

61124429 is a deficient number, since it is larger than the sum of its proper divisors (1).

61124429 is an equidigital number, since it uses as much as digits as its factorization.

61124429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 61124429 is about 7818.2113683374. The cubic root of 61124429 is about 393.9171946712.

The spelling of 61124429 in words is "sixty-one million, one hundred twenty-four thousand, four hundred twenty-nine".