121203552 has 96 divisors (see below), whose sum is σ = 331914240. Its totient is φ = 38684160.

The previous prime is 121203497. The next prime is 121203569. The reversal of 121203552 is 255302121.

It is a tau number, because it is divible by the number of its divisors (96).

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, 413518 + ... + 413810.

It is an arithmetic number, because the mean of its divisors is an integer number (3457440).

Almost surely, 2^121203552 is an apocalyptic number.

121203552 is a gapful number since it is divisible by the number (12) 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 121203552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165957120).

121203552 is an abundant number, since it is smaller than the sum of its proper divisors (210710688).

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

121203552 is a wasteful number, since it uses less digits than its factorization.

121203552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 121203552 is about 11009.2484757135. The cubic root of 121203552 is about 494.8859404581.

Adding to 121203552 its reverse (255302121), we get a palindrome (376505673).

The spelling of 121203552 in words is "one hundred twenty-one million, two hundred three thousand, five hundred fifty-two".