121713352 has 8 divisors (see below), whose sum is σ = 228212550. Its totient is φ = 60856672.

The previous prime is 121713343. The next prime is 121713359. The reversal of 121713352 is 253317121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 82700836 + 39012516 = 9094^2 + 6246^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (121713359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7607077 + ... + 7607092.

Almost surely, 2^121713352 is an apocalyptic number.

It is an amenable number.

121713352 is a deficient number, since it is larger than the sum of its proper divisors (106499198).

121713352 is a wasteful number, since it uses less digits than its factorization.

121713352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15214175 (or 15214171 counting only the distinct ones).

The product of its digits is 1260, while the sum is 25.

The square root of 121713352 is about 11032.3774409689. The cubic root of 121713352 is about 495.5788243040.

The spelling of 121713352 in words is "one hundred twenty-one million, seven hundred thirteen thousand, three hundred fifty-two".