121283801 has 4 divisors (see below), whose sum is σ = 121346532. Its totient is φ = 121221072.

The previous prime is 121283759. The next prime is 121283809. The reversal of 121283801 is 108382121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108382121 = 4129 ⋅26249.

It can be written as a sum of positive squares in 2 ways, for example, as 19758025 + 101525776 = 4445^2 + 10076^2 .

It is a cyclic number.

It is not a de Polignac number, because 121283801 - 2¹⁴ = 121267417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121283809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28370 + ... + 32363.

It is an arithmetic number, because the mean of its divisors is an integer number (30336633).

Almost surely, 2^121283801 is an apocalyptic number.

It is an amenable number.

121283801 is a deficient number, since it is larger than the sum of its proper divisors (62731).

121283801 is an equidigital number, since it uses as much as digits as its factorization.

121283801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62730.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 121283801 is about 11012.8924901681. The cubic root of 121283801 is about 494.9951378633.

The spelling of 121283801 in words is "one hundred twenty-one million, two hundred eighty-three thousand, eight hundred one".