10121925 has 24 divisors (see below), whose sum is σ = 18257760. Its totient is φ = 4907200.

The previous prime is 10121921. The next prime is 10121939. The reversal of 10121925 is 52912101.

10121925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10121925 - 2² = 10121921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5310 + ... + 6959.

It is an arithmetic number, because the mean of its divisors is an integer number (760740).

Almost surely, 2^10121925 is an apocalyptic number.

10121925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10121925 is a deficient number, since it is larger than the sum of its proper divisors (8135835).

10121925 is a wasteful number, since it uses less digits than its factorization.

10121925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12293 (or 12288 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 10121925 is about 3181.4972890135. The cubic root of 10121925 is about 216.3155325018.

The spelling of 10121925 in words is "ten million, one hundred twenty-one thousand, nine hundred twenty-five".