121051523245 has 8 divisors (see below), whose sum is σ = 146014481016. Its totient is φ = 96339449856.

The previous prime is 121051523213. The next prime is 121051523249. The reversal of 121051523245 is 542325150121.

It can be written as a sum of positive squares in 4 ways, for example, as 12938409 + 121038584836 = 3597^2 + 347906^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 121051523245 - 2⁵ = 121051523213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121051523249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62720032 + ... + 62721961.

It is an arithmetic number, because the mean of its divisors is an integer number (18251810127).

Almost surely, 2^121051523245 is an apocalyptic number.

It is an amenable number.

121051523245 is a deficient number, since it is larger than the sum of its proper divisors (24962957771).

121051523245 is a wasteful number, since it uses less digits than its factorization.

121051523245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125442191.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 121051523245 its reverse (542325150121), we get a palindrome (663376673366).

The spelling of 121051523245 in words is "one hundred twenty-one billion, fifty-one million, five hundred twenty-three thousand, two hundred forty-five".