61242119 has 2 divisors, whose sum is σ = 61242120. Its totient is φ = 61242118.

The previous prime is 61242101. The next prime is 61242133. The reversal of 61242119 is 91124216.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61242119 is a prime.

It is a super-2 number, since 2×61242119² = 7501194279220322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61242179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30621059 + 30621060.

It is an arithmetic number, because the mean of its divisors is an integer number (30621060).

Almost surely, 2^61242119 is an apocalyptic number.

61242119 is a deficient number, since it is larger than the sum of its proper divisors (1).

61242119 is an equidigital number, since it uses as much as digits as its factorization.

61242119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 26.

The square root of 61242119 is about 7825.7344064311. The cubic root of 61242119 is about 394.1698508405.

The spelling of 61242119 in words is "sixty-one million, two hundred forty-two thousand, one hundred nineteen".