121010552 has 32 divisors (see below), whose sum is σ = 245019600. Its totient is φ = 55697664.

The previous prime is 121010551. The next prime is 121010569. The reversal of 121010552 is 255010121.

It is a self number, because there is not a number n which added to its sum of digits gives 121010552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42188 + ... + 44964.

Almost surely, 2^121010552 is an apocalyptic number.

It is an amenable number.

121010552 is an abundant number, since it is smaller than the sum of its proper divisors (124009048).

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

121010552 is a wasteful number, since it uses less digits than its factorization.

121010552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215 (or 3211 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 121010552 is about 11000.4796259072. The cubic root of 121010552 is about 494.6231216245.

Adding to 121010552 its reverse (255010121), we get a palindrome (376020673).

The spelling of 121010552 in words is "one hundred twenty-one million, ten thousand, five hundred fifty-two".