121348136 has 128 divisors (see below), whose sum is σ = 305356800. Its totient is φ = 43856640.

The previous prime is 121348127. The next prime is 121348147. The reversal of 121348136 is 631843121.

It is a super-2 number, since 2×121348136² = 29450740221348992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121348099 and 121348108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428651 + ... + 428933.

It is an arithmetic number, because the mean of its divisors is an integer number (2385600).

Almost surely, 2^121348136 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 121348136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152678400).

121348136 is an abundant number, since it is smaller than the sum of its proper divisors (184008664).

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

121348136 is a wasteful number, since it uses less digits than its factorization.

121348136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 355 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 121348136 is about 11015.8129976866. The cubic root of 121348136 is about 495.0826457931.

The spelling of 121348136 in words is "one hundred twenty-one million, three hundred forty-eight thousand, one hundred thirty-six".