961620103 has 2 divisors, whose sum is σ = 961620104. Its totient is φ = 961620102.

The previous prime is 961620089. The next prime is 961620119. The reversal of 961620103 is 301026169.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 961620103 - 2⁹ = 961619591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (961600103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480810051 + 480810052.

It is an arithmetic number, because the mean of its divisors is an integer number (480810052).

Almost surely, 2^961620103 is an apocalyptic number.

961620103 is a deficient number, since it is larger than the sum of its proper divisors (1).

961620103 is an equidigital number, since it uses as much as digits as its factorization.

961620103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 961620103 is about 31010.0000483715. Note that the first 4 decimals coincide. The cubic root of 961620103 is about 987.0394508521.

The spelling of 961620103 in words is "nine hundred sixty-one million, six hundred twenty thousand, one hundred three".