121162838 has 4 divisors (see below), whose sum is σ = 181744260. Its totient is φ = 60581418.

The previous prime is 121162807. The next prime is 121162843. The reversal of 121162838 is 838261121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30290708 + ... + 30290711.

It is an arithmetic number, because the mean of its divisors is an integer number (45436065).

Almost surely, 2^121162838 is an apocalyptic number.

121162838 is a deficient number, since it is larger than the sum of its proper divisors (60581422).

121162838 is an equidigital number, since it uses as much as digits as its factorization.

121162838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60581421.

The product of its digits is 4608, while the sum is 32.

The square root of 121162838 is about 11007.3992386939. The cubic root of 121162838 is about 494.8305211728.

The spelling of 121162838 in words is "one hundred twenty-one million, one hundred sixty-two thousand, eight hundred thirty-eight".