121502345 has 8 divisors (see below), whose sum is σ = 145877760. Its totient is φ = 97151920.

The previous prime is 121502327. The next prime is 121502357. The reversal of 121502345 is 543205121.

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

It is not a de Polignac number, because 121502345 - 2¹² = 121498249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121502345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7016 + ... + 17094.

It is an arithmetic number, because the mean of its divisors is an integer number (18234720).

Almost surely, 2^121502345 is an apocalyptic number.

It is an amenable number.

121502345 is a deficient number, since it is larger than the sum of its proper divisors (24375415).

121502345 is a wasteful number, since it uses less digits than its factorization.

121502345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12495.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 121502345 is about 11022.8102133712. The cubic root of 121502345 is about 495.2922737414.

Adding to 121502345 its reverse (543205121), we get a palindrome (664707466).

The spelling of 121502345 in words is "one hundred twenty-one million, five hundred two thousand, three hundred forty-five".