121202885 has 4 divisors (see below), whose sum is σ = 145443468. Its totient is φ = 96962304.

The previous prime is 121202833. The next prime is 121202899. The reversal of 121202885 is 588202121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93818596 + 27384289 = 9686^2 + 5233^2 .

It is a cyclic number.

It is not a de Polignac number, because 121202885 - 2⁶ = 121202821 is a prime.

It is a Duffinian number.

It is a congruent 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, 12120284 + ... + 12120293.

It is an arithmetic number, because the mean of its divisors is an integer number (36360867).

Almost surely, 2^121202885 is an apocalyptic number.

It is an amenable number.

121202885 is a deficient number, since it is larger than the sum of its proper divisors (24240583).

121202885 is an equidigital number, since it uses as much as digits as its factorization.

121202885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24240582.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 121202885 is about 11009.2181829592. The cubic root of 121202885 is about 494.8850326477.

The spelling of 121202885 in words is "one hundred twenty-one million, two hundred two thousand, eight hundred eighty-five".