121410342 has 48 divisors (see below), whose sum is σ = 278853120. Its totient is φ = 38070000.

The previous prime is 121410337. The next prime is 121410347. The reversal of 121410342 is 243014121.

It is an interprime number because it is at equal distance from previous prime (121410337) and next prime (121410347).

It is a super-2 number, since 2×121410342² = 29480942289113928, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121410347) 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, 50467 + ... + 52817.

It is an arithmetic number, because the mean of its divisors is an integer number (5809440).

Almost surely, 2^121410342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121410342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139426560).

121410342 is an abundant number, since it is smaller than the sum of its proper divisors (157442778).

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

121410342 is a wasteful number, since it uses less digits than its factorization.

121410342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529 (or 2526 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 121410342 is about 11018.6361224972. The cubic root of 121410342 is about 495.1672284689.

Adding to 121410342 its reverse (243014121), we get a palindrome (364424463).

The spelling of 121410342 in words is "one hundred twenty-one million, four hundred ten thousand, three hundred forty-two".