121050 has 36 divisors (see below), whose sum is σ = 326430. Its totient is φ = 32160.

The previous prime is 121039. The next prime is 121061. The reversal of 121050 is 50121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121039) and next prime (121061).

It can be written as a sum of positive squares in 3 ways, for example, as 59049 + 62001 = 243^2 + 249^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 316 + ... + 584.

2¹²¹⁰⁵⁰ is an apocalyptic number.

121050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163215).

121050 is an abundant number, since it is smaller than the sum of its proper divisors (205380).

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

121050 is a wasteful number, since it uses less digits than its factorization.

121050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 121050 is about 347.9224051423. The cubic root of 121050 is about 49.4676862869.

Adding to 121050 its reverse (50121), we get a palindrome (171171).

The spelling of 121050 in words is "one hundred twenty-one thousand, fifty".