121505496 has 96 divisors (see below), whose sum is σ = 355584240. Its totient is φ = 34497792.

The previous prime is 121505491. The next prime is 121505497. The reversal of 121505496 is 694505121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121505491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 325566 + ... + 325938.

Almost surely, 2^121505496 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 121505496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177792120).

121505496 is an abundant number, since it is smaller than the sum of its proper divisors (234078744).

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

121505496 is a wasteful number, since it uses less digits than its factorization.

121505496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 121505496 is about 11022.9531433278. The cubic root of 121505496 is about 495.2965552842.

The spelling of 121505496 in words is "one hundred twenty-one million, five hundred five thousand, four hundred ninety-six".