121410456 has 64 divisors (see below), whose sum is σ = 321484800. Its totient is φ = 38102400.

The previous prime is 121410427. The next prime is 121410463. The reversal of 121410456 is 654014121.

It is a happy number.

It is a super-2 number, since 2×121410456² = 29480997652255872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81801 + ... + 83271.

It is an arithmetic number, because the mean of its divisors is an integer number (5023200).

Almost surely, 2^121410456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121410456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160742400).

121410456 is an abundant number, since it is smaller than the sum of its proper divisors (200074344).

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

121410456 is a wasteful number, since it uses less digits than its factorization.

121410456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680 (or 1676 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 121410456 is about 11018.6412955500. The cubic root of 121410456 is about 495.1673834503.

Adding to 121410456 its reverse (654014121), we get a palindrome (775424577).

The spelling of 121410456 in words is "one hundred twenty-one million, four hundred ten thousand, four hundred fifty-six".