1102121873 has 2 divisors, whose sum is σ = 1102121874. Its totient is φ = 1102121872.

The previous prime is 1102121869. The next prime is 1102121879. The reversal of 1102121873 is 3781212011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1027074304 + 75047569 = 32048^2 + 8663^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102121873 - 2² = 1102121869 is a prime.

It is not a weakly prime, because it can be changed into another prime (1102121879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551060936 + 551060937.

It is an arithmetic number, because the mean of its divisors is an integer number (551060937).

Almost surely, 2^1102121873 is an apocalyptic number.

It is an amenable number.

1102121873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102121873 is an equidigital number, since it uses as much as digits as its factorization.

1102121873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 1102121873 is about 33198.2209312487. The cubic root of 1102121873 is about 1032.9434367971.

Adding to 1102121873 its reverse (3781212011), we get a palindrome (4883333884).

The spelling of 1102121873 in words is "one billion, one hundred two million, one hundred twenty-one thousand, eight hundred seventy-three".