121030 has 48 divisors (see below), whose sum is σ = 287280. Its totient is φ = 36288.

The previous prime is 121021. The next prime is 121039. The reversal of 121030 is 30121.

121030 = T₁₄ + T₁₅ + ... + T₈₉.

121030 is nontrivially palindromic in base 11.

It is an interprime number because it is at equal distance from previous prime (121021) and next prime (121039).

It is a Harshad number since it is a multiple of its sum of digits (7).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121039) 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, 6361 + ... + 6379.

It is an arithmetic number, because the mean of its divisors is an integer number (5985).

2¹²¹⁰³⁰ is an apocalyptic number.

121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121030 is an abundant number, since it is smaller than the sum of its proper divisors (166250).

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

121030 is a wasteful number, since it uses less digits than its factorization.

121030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 121030 is about 347.8936619141. The cubic root of 121030 is about 49.4649617703.

Adding to 121030 its reverse (30121), we get a palindrome (151151).

Subtracting from 121030 its reverse (30121), we obtain a palindrome (90909).

The spelling of 121030 in words is "one hundred twenty-one thousand, thirty".