121084125 has 16 divisors (see below), whose sum is σ = 201484608. Its totient is φ = 64578000.

The previous prime is 121084099. The next prime is 121084127. The reversal of 121084125 is 521480121.

It is not a de Polignac number, because 121084125 - 2¹⁶ = 121018589 is a prime.

It is a super-2 number, since 2×121084125² = 29322730654031250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121084095 and 121084104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121084127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161071 + ... + 161820.

It is an arithmetic number, because the mean of its divisors is an integer number (12592788).

Almost surely, 2^121084125 is an apocalyptic number.

121084125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121084125 is a deficient number, since it is larger than the sum of its proper divisors (80400483).

121084125 is an equidigital number, since it uses as much as digits as its factorization.

121084125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322909 (or 322899 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 121084125 is about 11003.8231992340. The cubic root of 121084125 is about 494.7233430067.

The spelling of 121084125 in words is "one hundred twenty-one million, eighty-four thousand, one hundred twenty-five".