121124025 has 72 divisors (see below), whose sum is σ = 244741280. Its totient is φ = 58687200.

The previous prime is 121124023. The next prime is 121124033. The reversal of 121124025 is 520421121.

It is not a de Polignac number, because 121124025 - 2¹ = 121124023 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121123989 and 121124007.

It is not an unprimeable number, because it can be changed into a prime (121124023) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 80934 + ... + 82416.

Almost surely, 2^121124025 is an apocalyptic number.

121124025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121124025 is an abundant number, since it is smaller than the sum of its proper divisors (123617255).

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

121124025 is a wasteful number, since it uses less digits than its factorization.

121124025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524 (or 1502 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 121124025 is about 11005.6360561305. The cubic root of 121124025 is about 494.7776779400. Note that the first 3 decimals are identical.

Adding to 121124025 its reverse (520421121), we get a palindrome (641545146).

The spelling of 121124025 in words is "one hundred twenty-one million, one hundred twenty-four thousand, twenty-five".