121044340 has 24 divisors (see below), whose sum is σ = 255532032. Its totient is φ = 48162720.

The previous prime is 121044311. The next prime is 121044401. The reversal of 121044340 is 43440121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12024 + ... + 19663.

It is an arithmetic number, because the mean of its divisors is an integer number (10647168).

Almost surely, 2^121044340 is an apocalyptic number.

121044340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121044340 is an abundant number, since it is smaller than the sum of its proper divisors (134487692).

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

121044340 is a wasteful number, since it uses less digits than its factorization.

121044340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31887 (or 31885 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 121044340 is about 11002.0152699403. The cubic root of 121044340 is about 494.6691527916.

Adding to 121044340 its reverse (43440121), we get a palindrome (164484461).

It can be divided in two parts, 1210443 and 40, that multiplied together give a triangular number (48417720 = T₉₈₄₀).

The spelling of 121044340 in words is "one hundred twenty-one million, forty-four thousand, three hundred forty".