121434001 has 4 divisors (see below), whose sum is σ = 130775092. Its totient is φ = 112092912.

The previous prime is 121433989. The next prime is 121434007. The reversal of 121434001 is 100434121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100434121 = 61 ⋅1646461.

It can be written as a sum of positive squares in 2 ways, for example, as 79637776 + 41796225 = 8924^2 + 6465^2 .

It is a cyclic number.

It is not a de Polignac number, because 121434001 - 2⁵ = 121433969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121434007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4670526 + ... + 4670551.

It is an arithmetic number, because the mean of its divisors is an integer number (32693773).

Almost surely, 2^121434001 is an apocalyptic number.

It is an amenable number.

121434001 is a deficient number, since it is larger than the sum of its proper divisors (9341091).

121434001 is an equidigital number, since it uses as much as digits as its factorization.

121434001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9341090.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121434001 is about 11019.7096604221. The cubic root of 121434001 is about 495.1993904752.

Adding to 121434001 its reverse (100434121), we get a palindrome (221868122).

It can be divided in two parts, 1214 and 34001, that multiplied together give a palindrome (41277214).

The spelling of 121434001 in words is "one hundred twenty-one million, four hundred thirty-four thousand, one".