121253696 has 28 divisors (see below), whose sum is σ = 241421412. Its totient is φ = 60423168.

The previous prime is 121253653. The next prime is 121253761. The reversal of 121253696 is 696352121.

It can be written as a sum of positive squares in 2 ways, for example, as 3748096 + 117505600 = 1936^2 + 10840^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17006 + ... + 23058.

Almost surely, 2^121253696 is an apocalyptic number.

121253696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121253696 is a deficient number, since it is larger than the sum of its proper divisors (120167716).

121253696 is an equidigital number, since it uses as much as digits as its factorization.

121253696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6378 (or 6368 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 121253696 is about 11011.5255982085. The cubic root of 121253696 is about 494.9541786650.

The spelling of 121253696 in words is "one hundred twenty-one million, two hundred fifty-three thousand, six hundred ninety-six".