121541016 has 64 divisors (see below), whose sum is σ = 318424320. Its totient is φ = 38586240.

The previous prime is 121541009. The next prime is 121541023. The reversal of 121541016 is 610145121.

It is an interprime number because it is at equal distance from previous prime (121541009) and next prime (121541023).

It is a junction number, because it is equal to n+sod(n) for n = 121540983 and 121541001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232131 + ... + 232653.

It is an arithmetic number, because the mean of its divisors is an integer number (4975380).

Almost surely, 2^121541016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121541016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159212160).

121541016 is an abundant number, since it is smaller than the sum of its proper divisors (196883304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121541016 is a wasteful number, since it uses less digits than its factorization.

121541016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 121541016 is about 11024.5642090742. The cubic root of 121541016 is about 495.3448143347.

Adding to 121541016 its reverse (610145121), we get a palindrome (731686137).

The spelling of 121541016 in words is "one hundred twenty-one million, five hundred forty-one thousand, sixteen".