121752103250 has 16 divisors (see below), whose sum is σ = 227919937752. Its totient is φ = 48700841200.

The previous prime is 121752103241. The next prime is 121752103267. The reversal of 121752103250 is 52301257121.

It can be written as a sum of positive squares in 4 ways, for example, as 9254247601 + 112497855649 = 96199^2 + 335407^2 .

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, 243503957 + ... + 243504456.

Almost surely, 2^121752103250 is an apocalyptic number.

121752103250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121752103250 is a deficient number, since it is larger than the sum of its proper divisors (106167834502).

121752103250 is an equidigital number, since it uses as much as digits as its factorization.

121752103250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487008430 (or 487008420 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The spelling of 121752103250 in words is "one hundred twenty-one billion, seven hundred fifty-two million, one hundred three thousand, two hundred fifty".