10121506 has 8 divisors (see below), whose sum is σ = 15552684. Its totient is φ = 4937280.

The previous prime is 10121491. The next prime is 10121521. The reversal of 10121506 is 60512101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10121491) and next prime (10121521).

It can be written as a sum of positive squares in 2 ways, for example, as 9665881 + 455625 = 3109^2 + 675^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 10121506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61635 + ... + 61798.

Almost surely, 2^10121506 is an apocalyptic number.

10121506 is a deficient number, since it is larger than the sum of its proper divisors (5431178).

10121506 is a wasteful number, since it uses less digits than its factorization.

10121506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123476.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 10121506 is about 3181.4314388338. The cubic root of 10121506 is about 216.3125476460.

Adding to 10121506 its reverse (60512101), we get a palindrome (70633607).

The spelling of 10121506 in words is "ten million, one hundred twenty-one thousand, five hundred six".