124791361 has 2 divisors, whose sum is σ = 124791362. Its totient is φ = 124791360.

The previous prime is 124791349. The next prime is 124791367. The reversal of 124791361 is 163197421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101123136 + 23668225 = 10056^2 + 4865^2 .

It is a cyclic number.

It is not a de Polignac number, because 124791361 - 2¹⁵ = 124758593 is a prime.

It is not a weakly prime, because it can be changed into another prime (124791367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62395680 + 62395681.

It is an arithmetic number, because the mean of its divisors is an integer number (62395681).

Almost surely, 2^124791361 is an apocalyptic number.

It is an amenable number.

124791361 is a deficient number, since it is larger than the sum of its proper divisors (1).

124791361 is an equidigital number, since it uses as much as digits as its factorization.

124791361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 34.

The square root of 124791361 is about 11171.0053710487. The cubic root of 124791361 is about 499.7216597488.

The spelling of 124791361 in words is "one hundred twenty-four million, seven hundred ninety-one thousand, three hundred sixty-one".