10121650 has 72 divisors (see below), whose sum is σ = 23748480. Its totient is φ = 3141600.

The previous prime is 10121621. The next prime is 10121651. The reversal of 10121650 is 5612101.

It is a happy number.

10121650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (10121651) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 42231 + ... + 42469.

It is an arithmetic number, because the mean of its divisors is an integer number (329840).

Almost surely, 2^10121650 is an apocalyptic number.

10121650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121650 is an abundant number, since it is smaller than the sum of its proper divisors (13626830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10121650 is a wasteful number, since it uses less digits than its factorization.

10121650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 264 counting only the distinct ones).

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

The square root of 10121650 is about 3181.4540700755. The cubic root of 10121650 is about 216.3135734769.

Adding to 10121650 its reverse (5612101), we get a palindrome (15733751).

It can be divided in two parts, 1012 and 1650, that added together give a palindrome (2662).

The spelling of 10121650 in words is "ten million, one hundred twenty-one thousand, six hundred fifty".