1000121707 has 8 divisors (see below), whose sum is σ = 1078040880. Its totient is φ = 922343520.

The previous prime is 1000121671. The next prime is 1000121737. The reversal of 1000121707 is 7071210001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000121707 - 2¹⁹ = 999597419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000121737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20269 + ... + 49102.

It is an arithmetic number, because the mean of its divisors is an integer number (134755110).

Almost surely, 2^1000121707 is an apocalyptic number.

1000121707 is a deficient number, since it is larger than the sum of its proper divisors (77919173).

1000121707 is a wasteful number, since it uses less digits than its factorization.

1000121707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70493.

The product of its (nonzero) digits is 98, while the sum is 19.

The square root of 1000121707 is about 31624.7008997714. The cubic root of 1000121707 is about 1000.0405673543.

Adding to 1000121707 its reverse (7071210001), we get a palindrome (8071331708).

The spelling of 1000121707 in words is "one billion, one hundred twenty-one thousand, seven hundred seven".