121142877 has 8 divisors (see below), whose sum is σ = 161736960. Its totient is φ = 80655360.

The previous prime is 121142873. The next prime is 121142929. The reversal of 121142877 is 778241121.

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

It is not a de Polignac number, because 121142877 - 2² = 121142873 is a prime.

It is a super-3 number, since 3×121142877³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121142873) 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 7 ways as a sum of consecutive naturals, for example, 23949 + ... + 28562.

It is an arithmetic number, because the mean of its divisors is an integer number (20217120).

Almost surely, 2^121142877 is an apocalyptic number.

It is an amenable number.

121142877 is a deficient number, since it is larger than the sum of its proper divisors (40594083).

121142877 is an equidigital number, since it uses as much as digits as its factorization.

121142877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53283.

The product of its digits is 6272, while the sum is 33.

The square root of 121142877 is about 11006.4924930697. The cubic root of 121142877 is about 494.8033460239.

Adding to 121142877 its reverse (778241121), we get a palindrome (899383998).

The spelling of 121142877 in words is "one hundred twenty-one million, one hundred forty-two thousand, eight hundred seventy-seven".