121513346 has 8 divisors (see below), whose sum is σ = 183705600. Its totient is φ = 60278148.

The previous prime is 121513339. The next prime is 121513349. The reversal of 121513346 is 643315121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×121513346² = 29530986512231432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121513349) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 238946 + ... + 239453.

It is an arithmetic number, because the mean of its divisors is an integer number (22963200).

Almost surely, 2^121513346 is an apocalyptic number.

121513346 is a deficient number, since it is larger than the sum of its proper divisors (62192254).

121513346 is a wasteful number, since it uses less digits than its factorization.

121513346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478528.

The product of its digits is 2160, while the sum is 26.

The square root of 121513346 is about 11023.3092127546. The cubic root of 121513346 is about 495.3072214526.

Adding to 121513346 its reverse (643315121), we get a palindrome (764828467).

The spelling of 121513346 in words is "one hundred twenty-one million, five hundred thirteen thousand, three hundred forty-six".