121034240 has 40 divisors (see below), whose sum is σ = 290204640. Its totient is φ = 48412672.

The previous prime is 121034209. The next prime is 121034267. The reversal of 121034240 is 42430121.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21080 + ... + 26199.

It is an arithmetic number, because the mean of its divisors is an integer number (7255116).

Almost surely, 2^121034240 is an apocalyptic number.

121034240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121034240 is an abundant number, since it is smaller than the sum of its proper divisors (169170400).

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

121034240 is an frugal number, since it uses more digits than its factorization.

121034240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47302 (or 47286 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 121034240 is about 11001.5562535489. The cubic root of 121034240 is about 494.6553939288.

Adding to 121034240 its reverse (42430121), we get a palindrome (163464361).

The spelling of 121034240 in words is "one hundred twenty-one million, thirty-four thousand, two hundred forty".