121032340 has 96 divisors (see below), whose sum is σ = 302279040. Its totient is φ = 40128000.

The previous prime is 121032319. The next prime is 121032383. The reversal of 121032340 is 43230121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288651 + ... + 289069.

It is an arithmetic number, because the mean of its divisors is an integer number (3148740).

Almost surely, 2^121032340 is an apocalyptic number.

121032340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121032340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151139520).

121032340 is an abundant number, since it is smaller than the sum of its proper divisors (181246700).

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

121032340 is a wasteful number, since it uses less digits than its factorization.

121032340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 121032340 is about 11001.4699017904. The cubic root of 121032340 is about 494.6528055423.

Adding to 121032340 its reverse (43230121), we get a palindrome (164262461).

The spelling of 121032340 in words is "one hundred twenty-one million, thirty-two thousand, three hundred forty".