121130340 has 48 divisors (see below), whose sum is σ = 339716160. Its totient is φ = 32248960.

The previous prime is 121130311. The next prime is 121130371. The reversal of 121130340 is 43031121.

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

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 15 ways as a sum of consecutive naturals, for example, 48031 + ... + 50489.

It is an arithmetic number, because the mean of its divisors is an integer number (7077420).

Almost surely, 2^121130340 is an apocalyptic number.

121130340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121130340 is an abundant number, since it is smaller than the sum of its proper divisors (218585820).

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

121130340 is a wasteful number, since it uses less digits than its factorization.

121130340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292 (or 3290 counting only the distinct ones).

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

The square root of 121130340 is about 11005.9229508479. The cubic root of 121130340 is about 494.7862764729.

Adding to 121130340 its reverse (43031121), we get a palindrome (164161461).

The spelling of 121130340 in words is "one hundred twenty-one million, one hundred thirty thousand, three hundred forty".