121564088 has 8 divisors (see below), whose sum is σ = 227932680. Its totient is φ = 60782040.

The previous prime is 121564087. The next prime is 121564097. The reversal of 121564088 is 880465121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×121564088³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121564081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7597748 + ... + 7597763.

It is an arithmetic number, because the mean of its divisors is an integer number (28491585).

Almost surely, 2^121564088 is an apocalyptic number.

It is an amenable number.

121564088 is a deficient number, since it is larger than the sum of its proper divisors (106368592).

121564088 is a wasteful number, since it uses less digits than its factorization.

121564088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15195517 (or 15195513 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 121564088 is about 11025.6105499877. The cubic root of 121564088 is about 495.3761559422.

The spelling of 121564088 in words is "one hundred twenty-one million, five hundred sixty-four thousand, eighty-eight".