121013340 has 72 divisors (see below), whose sum is σ = 394167312. Its totient is φ = 27659520.

The previous prime is 121013311. The next prime is 121013351. The reversal of 121013340 is 43310121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17641 + ... + 23520.

It is an arithmetic number, because the mean of its divisors is an integer number (5474546).

Almost surely, 2^121013340 is an apocalyptic number.

121013340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121013340 is an abundant number, since it is smaller than the sum of its proper divisors (273153972).

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

121013340 is a wasteful number, since it uses less digits than its factorization.

121013340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41187 (or 41178 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 121013340 is about 11000.6063469247. The cubic root of 121013340 is about 494.6269201877.

Adding to 121013340 its reverse (43310121), we get a palindrome (164323461).

The spelling of 121013340 in words is "one hundred twenty-one million, thirteen thousand, three hundred forty".