100773961 has 2 divisors, whose sum is σ = 100773962. Its totient is φ = 100773960.

The previous prime is 100773949. The next prime is 100773989. The reversal of 100773961 is 169377001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93315600 + 7458361 = 9660^2 + 2731^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100773961 is a prime.

It is not a weakly prime, because it can be changed into another prime (100873961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50386980 + 50386981.

It is an arithmetic number, because the mean of its divisors is an integer number (50386981).

Almost surely, 2^100773961 is an apocalyptic number.

It is an amenable number.

100773961 is a deficient number, since it is larger than the sum of its proper divisors (1).

100773961 is an equidigital number, since it uses as much as digits as its factorization.

100773961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 100773961 is about 10038.6234614114. The cubic root of 100773961 is about 465.3532768391.

The spelling of 100773961 in words is "one hundred million, seven hundred seventy-three thousand, nine hundred sixty-one".