121534245005 has 8 divisors (see below), whose sum is σ = 145866981624. Its totient is φ = 97210137600.

The previous prime is 121534244989. The next prime is 121534245011. The reversal of 121534245005 is 500542435121.

It can be written as a sum of positive squares in 4 ways, for example, as 51934307881 + 69599937124 = 227891^2 + 263818^2 .

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

It is not a de Polignac number, because 121534245005 - 2⁴ = 121534244989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2126276 + ... + 2182685.

It is an arithmetic number, because the mean of its divisors is an integer number (18233372703).

Almost surely, 2^121534245005 is an apocalyptic number.

It is an amenable number.

121534245005 is a deficient number, since it is larger than the sum of its proper divisors (24332736619).

121534245005 is an equidigital number, since it uses as much as digits as its factorization.

121534245005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314607.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 121534245005 in words is "one hundred twenty-one billion, five hundred thirty-four million, two hundred forty-five thousand, five".