121027410 has 96 divisors (see below), whose sum is σ = 371284992. Its totient is φ = 26766720.

The previous prime is 121027399. The next prime is 121027427. The reversal of 121027410 is 14720121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16432 + ... + 22628.

It is an arithmetic number, because the mean of its divisors is an integer number (3867552).

Almost surely, 2^121027410 is an apocalyptic number.

121027410 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 121027410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185642496).

121027410 is an abundant number, since it is smaller than the sum of its proper divisors (250257582).

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

121027410 is a wasteful number, since it uses less digits than its factorization.

121027410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6248 (or 6245 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 121027410 is about 11001.2458385403. The cubic root of 121027410 is about 494.6460892343.

Adding to 121027410 its reverse (14720121), we get a palindrome (135747531).

The spelling of 121027410 in words is "one hundred twenty-one million, twenty-seven thousand, four hundred ten".