121302001 has 8 divisors (see below), whose sum is σ = 124187904. Its totient is φ = 118438320.

The previous prime is 121301989. The next prime is 121302019. The reversal of 121302001 is 100203121.

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 121302001 - 2⁵ = 121301969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121302031) 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, 5760 + ... + 16606.

It is an arithmetic number, because the mean of its divisors is an integer number (15523488).

Almost surely, 2^121302001 is an apocalyptic number.

It is an amenable number.

121302001 is a deficient number, since it is larger than the sum of its proper divisors (2885903).

121302001 is a wasteful number, since it uses less digits than its factorization.

121302001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 121302001 is about 11013.7187634332. The cubic root of 121302001 is about 495.0198964896.

Adding to 121302001 its reverse (100203121), we get a palindrome (221505122).

The spelling of 121302001 in words is "one hundred twenty-one million, three hundred two thousand, one".