124181461 has 2 divisors, whose sum is σ = 124181462. Its totient is φ = 124181460.

The previous prime is 124181459. The next prime is 124181471. The reversal of 124181461 is 164181421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118919025 + 5262436 = 10905^2 + 2294^2 .

It is a cyclic number.

It is not a de Polignac number, because 124181461 - 2¹ = 124181459 is a prime.

Together with 124181459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124181471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62090730 + 62090731.

It is an arithmetic number, because the mean of its divisors is an integer number (62090731).

Almost surely, 2^124181461 is an apocalyptic number.

It is an amenable number.

124181461 is a deficient number, since it is larger than the sum of its proper divisors (1).

124181461 is an equidigital number, since it uses as much as digits as its factorization.

124181461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 28.

The square root of 124181461 is about 11143.6735863897. The cubic root of 124181461 is about 498.9062237183.

The spelling of 124181461 in words is "one hundred twenty-four million, one hundred eighty-one thousand, four hundred sixty-one".