10121697 has 12 divisors (see below), whose sum is σ = 14728740. Its totient is φ = 6697728.

The previous prime is 10121693. The next prime is 10121723. The reversal of 10121697 is 79612101.

10121697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2944656 + 7177041 = 1716^2 + 2679^2 .

It is not a de Polignac number, because 10121697 - 2² = 10121693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10121697.

It is not an unprimeable number, because it can be changed into a prime (10121693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2872 + ... + 5337.

It is an arithmetic number, because the mean of its divisors is an integer number (1227395).

Almost surely, 2^10121697 is an apocalyptic number.

It is an amenable number.

10121697 is a deficient number, since it is larger than the sum of its proper divisors (4607043).

10121697 is a wasteful number, since it uses less digits than its factorization.

10121697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8352 (or 8349 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 10121697 is about 3181.4614566265. The cubic root of 10121697 is about 216.3139082946.

Adding to 10121697 its reverse (79612101), we get a palindrome (89733798).

The spelling of 10121697 in words is "ten million, one hundred twenty-one thousand, six hundred ninety-seven".