124892161 has 2 divisors, whose sum is σ = 124892162. Its totient is φ = 124892160.

The previous prime is 124892147. The next prime is 124892177. The reversal of 124892161 is 161298421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118919025 + 5973136 = 10905^2 + 2444^2 .

It is a cyclic number.

It is not a de Polignac number, because 124892161 - 2⁹ = 124891649 is a prime.

It is not a weakly prime, because it can be changed into another prime (124892101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62446080 + 62446081.

It is an arithmetic number, because the mean of its divisors is an integer number (62446081).

Almost surely, 2^124892161 is an apocalyptic number.

It is an amenable number.

124892161 is a deficient number, since it is larger than the sum of its proper divisors (1).

124892161 is an equidigital number, since it uses as much as digits as its factorization.

124892161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 34.

The square root of 124892161 is about 11175.5161402058. The cubic root of 124892161 is about 499.8561732984.

The spelling of 124892161 in words is "one hundred twenty-four million, eight hundred ninety-two thousand, one hundred sixty-one".