121738486 has 8 divisors (see below), whose sum is σ = 182710944. Its totient is φ = 60834840.

The previous prime is 121738483. The next prime is 121738537. The reversal of 121738486 is 684837121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121738483) 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, 12525 + ... + 20008.

It is an arithmetic number, because the mean of its divisors is an integer number (22838868).

Almost surely, 2^121738486 is an apocalyptic number.

121738486 is a deficient number, since it is larger than the sum of its proper divisors (60972458).

121738486 is a wasteful number, since it uses less digits than its factorization.

121738486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34406.

The product of its digits is 64512, while the sum is 40.

The square root of 121738486 is about 11033.5164838777. The cubic root of 121738486 is about 495.6129345603.

The spelling of 121738486 in words is "one hundred twenty-one million, seven hundred thirty-eight thousand, four hundred eighty-six".