121120625 has 10 divisors (see below), whose sum is σ = 151353114. Its totient is φ = 96896000.

The previous prime is 121120621. The next prime is 121120639. The reversal of 121120625 is 526021121.

It can be written as a sum of positive squares in 5 ways, for example, as 29899024 + 91221601 = 5468^2 + 9551^2 .

It is not a de Polignac number, because 121120625 - 2² = 121120621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121120597 and 121120606.

It is not an unprimeable number, because it can be changed into a prime (121120621) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 96272 + ... + 97521.

Almost surely, 2^121120625 is an apocalyptic number.

It is an amenable number.

121120625 is a deficient number, since it is larger than the sum of its proper divisors (30232489).

121120625 is an frugal number, since it uses more digits than its factorization.

121120625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193813 (or 193798 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 121120625 is about 11005.4815887357. The cubic root of 121120625 is about 494.7730483607.

Adding to 121120625 its reverse (526021121), we get a palindrome (647141746).

The spelling of 121120625 in words is "one hundred twenty-one million, one hundred twenty thousand, six hundred twenty-five".