121410 has 48 divisors (see below), whose sum is σ = 336960. Its totient is φ = 30240.

The previous prime is 121403. The next prime is 121421. The reversal of 121410 is 14121.

It is a happy number.

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 junction number, because it is equal to n+sod(n) for n = 121392 and 121401.

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, 1675 + ... + 1745.

It is an arithmetic number, because the mean of its divisors is an integer number (7020).

2¹²¹⁴¹⁰ is an apocalyptic number.

121410 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 121410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168480).

121410 is an abundant number, since it is smaller than the sum of its proper divisors (215550).

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

121410 is a wasteful number, since it uses less digits than its factorization.

121410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 121410 is about 348.4393777976. The cubic root of 121410 is about 49.5166763524.

Adding to 121410 its reverse (14121), we get a palindrome (135531).

The spelling of 121410 in words is "one hundred twenty-one thousand, four hundred ten", and thus it is an iban number.