124032121 has 2 divisors, whose sum is σ = 124032122. Its totient is φ = 124032120.

The previous prime is 124032109. The next prime is 124032127. The reversal of 124032121 is 121230421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77246521 + 46785600 = 8789^2 + 6840^2 .

It is a cyclic number.

It is not a de Polignac number, because 124032121 - 2⁵ = 124032089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124032095 and 124032104.

It is not a weakly prime, because it can be changed into another prime (124032127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62016060 + 62016061.

It is an arithmetic number, because the mean of its divisors is an integer number (62016061).

Almost surely, 2^124032121 is an apocalyptic number.

It is an amenable number.

124032121 is a deficient number, since it is larger than the sum of its proper divisors (1).

124032121 is an equidigital number, since it uses as much as digits as its factorization.

124032121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 124032121 is about 11136.9709077469. The cubic root of 124032121 is about 498.7061494562.

Adding to 124032121 its reverse (121230421), we get a palindrome (245262542).

The spelling of 124032121 in words is "one hundred twenty-four million, thirty-two thousand, one hundred twenty-one".