121245030 has 48 divisors (see below), whose sum is σ = 325413504. Its totient is φ = 31288320.

The previous prime is 121245001. The next prime is 121245049. The reversal of 121245030 is 30542121.

121245030 is a `hidden beast` number, since 1 + 212 + 450 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121244994 and 121245012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18939 + ... + 24518.

It is an arithmetic number, because the mean of its divisors is an integer number (6779448).

Almost surely, 2^121245030 is an apocalyptic number.

121245030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121245030 is an abundant number, since it is smaller than the sum of its proper divisors (204168474).

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

121245030 is a wasteful number, since it uses less digits than its factorization.

121245030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43501 (or 43498 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 121245030 is about 11011.1320943852. The cubic root of 121245030 is about 494.9423869280.

Adding to 121245030 its reverse (30542121), we get a palindrome (151787151).

The spelling of 121245030 in words is "one hundred twenty-one million, two hundred forty-five thousand, thirty".