124580381 has 2 divisors, whose sum is σ = 124580382. Its totient is φ = 124580380.

The previous prime is 124580341. The next prime is 124580389. The reversal of 124580381 is 183085421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120340900 + 4239481 = 10970^2 + 2059^2 .

It is an emirp because it is prime and its reverse (183085421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124580381 is a prime.

It is a super-2 number, since 2×124580381² = 31040542660210322, 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 (124580389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62290190 + 62290191.

It is an arithmetic number, because the mean of its divisors is an integer number (62290191).

Almost surely, 2^124580381 is an apocalyptic number.

It is an amenable number.

124580381 is a deficient number, since it is larger than the sum of its proper divisors (1).

124580381 is an equidigital number, since it uses as much as digits as its factorization.

124580381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 124580381 is about 11161.5581797525. The cubic root of 124580381 is about 499.4398807672.

The spelling of 124580381 in words is "one hundred twenty-four million, five hundred eighty thousand, three hundred eighty-one".