1000001123929 has 2 divisors, whose sum is σ = 1000001123930. Its totient is φ = 1000001123928.

The previous prime is 1000001123897. The next prime is 1000001124007. The reversal of 1000001123929 is 9293211000001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 693350986329 + 306650137600 = 832677^2 + 553760^2 .

It is an emirp because it is prime and its reverse (9293211000001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000001123929 - 2⁵ = 1000001123897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000001123897 and 1000001123906.

It is not a weakly prime, because it can be changed into another prime (1000001120929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000561964 + 500000561965.

It is an arithmetic number, because the mean of its divisors is an integer number (500000561965).

Almost surely, 2^{1000001123929} is an apocalyptic number.

It is an amenable number.

1000001123929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000001123929 is an equidigital number, since it uses as much as digits as its factorization.

1000001123929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 1000001123929 in words is "one trillion, one million, one hundred twenty-three thousand, nine hundred twenty-nine".