121363536 has 60 divisors (see below), whose sum is σ = 358908576. Its totient is φ = 34617600.

The previous prime is 121363523. The next prime is 121363549. The reversal of 121363536 is 635363121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121363523) and next prime (121363549).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201636 + ... + 202236.

Almost surely, 2^121363536 is an apocalyptic number.

121363536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121363536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179454288).

121363536 is an abundant number, since it is smaller than the sum of its proper divisors (237545040).

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

121363536 is an frugal number, since it uses more digits than its factorization.

121363536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220 (or 613 counting only the distinct ones).

The product of its digits is 9720, while the sum is 30.

The square root of 121363536 is about 11016.5119706738. The cubic root of 121363536 is about 495.1035881564.

The spelling of 121363536 in words is "one hundred twenty-one million, three hundred sixty-three thousand, five hundred thirty-six".