1961224103 has 2 divisors, whose sum is σ = 1961224104. Its totient is φ = 1961224102.

The previous prime is 1961224073. The next prime is 1961224117. The reversal of 1961224103 is 3014221691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1961224103 - 2⁶ = 1961224039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1961224123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980612051 + 980612052.

It is an arithmetic number, because the mean of its divisors is an integer number (980612052).

Almost surely, 2^1961224103 is an apocalyptic number.

1961224103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1961224103 is an equidigital number, since it uses as much as digits as its factorization.

1961224103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1961224103 is about 44285.7099186634. The cubic root of 1961224103 is about 1251.7254258686.

Adding to 1961224103 its reverse (3014221691), we get a palindrome (4975445794).

The spelling of 1961224103 in words is "one billion, nine hundred sixty-one million, two hundred twenty-four thousand, one hundred three".