124061381 has 2 divisors, whose sum is σ = 124061382. Its totient is φ = 124061380.

The previous prime is 124061339. The next prime is 124061387. The reversal of 124061381 is 183160421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119793025 + 4268356 = 10945^2 + 2066^2 .

It is a cyclic number.

It is not a de Polignac number, because 124061381 - 2¹⁸ = 123799237 is a prime.

It is a super-2 number, since 2×124061381² = 30782452511254322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124061381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124061387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62030690 + 62030691.

It is an arithmetic number, because the mean of its divisors is an integer number (62030691).

Almost surely, 2^124061381 is an apocalyptic number.

It is an amenable number.

124061381 is a deficient number, since it is larger than the sum of its proper divisors (1).

124061381 is an equidigital number, since it uses as much as digits as its factorization.

124061381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 124061381 is about 11138.2844729339. The cubic root of 124061381 is about 498.7453624023.

The spelling of 124061381 in words is "one hundred twenty-four million, sixty-one thousand, three hundred eighty-one".