124871161 has 2 divisors, whose sum is σ = 124871162. Its totient is φ = 124871160.

The previous prime is 124871147. The next prime is 124871167. The reversal of 124871161 is 161178421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116640000 + 8231161 = 10800^2 + 2869^2 .

It is a cyclic number.

It is not a de Polignac number, because 124871161 - 2²¹ = 122774009 is a prime.

It is not a weakly prime, because it can be changed into another prime (124871167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62435580 + 62435581.

It is an arithmetic number, because the mean of its divisors is an integer number (62435581).

Almost surely, 2^124871161 is an apocalyptic number.

It is an amenable number.

124871161 is a deficient number, since it is larger than the sum of its proper divisors (1).

124871161 is an equidigital number, since it uses as much as digits as its factorization.

124871161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 31.

The square root of 124871161 is about 11174.5765467869. The cubic root of 124871161 is about 499.8281556124.

The spelling of 124871161 in words is "one hundred twenty-four million, eight hundred seventy-one thousand, one hundred sixty-one".