2120124403 has 2 divisors, whose sum is σ = 2120124404. Its totient is φ = 2120124402.

The previous prime is 2120124341. The next prime is 2120124421. The reversal of 2120124403 is 3044210212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120124403 is a prime.

It is a super-2 number, since 2×2120124403² = 8989854968392212818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2120124463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060062201 + 1060062202.

It is an arithmetic number, because the mean of its divisors is an integer number (1060062202).

Almost surely, 2^2120124403 is an apocalyptic number.

2120124403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120124403 is an equidigital number, since it uses as much as digits as its factorization.

2120124403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2120124403 is about 46044.8086433205. The cubic root of 2120124403 is about 1284.6567848990.

Adding to 2120124403 its reverse (3044210212), we get a palindrome (5164334615).

The spelling of 2120124403 in words is "two billion, one hundred twenty million, one hundred twenty-four thousand, four hundred three".