121000252706 has 8 divisors (see below), whose sum is σ = 181522342764. Its totient is φ = 60492805120.

The previous prime is 121000252697. The next prime is 121000252721. The reversal of 121000252706 is 607252000121.

It can be written as a sum of positive squares in 2 ways, for example, as 118690585225 + 2309667481 = 344515^2 + 48059^2 .

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

It is a super-2 number, since 2×121000252706² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3639935 + ... + 3673026.

Almost surely, 2^121000252706 is an apocalyptic number.

121000252706 is a deficient number, since it is larger than the sum of its proper divisors (60522090058).

121000252706 is an equidigital number, since it uses as much as digits as its factorization.

121000252706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7321236.

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 121000252706 its reverse (607252000121), we get a palindrome (728252252827).

The spelling of 121000252706 in words is "one hundred twenty-one billion, two hundred fifty-two thousand, seven hundred six".