121567104 has 48 divisors (see below), whose sum is σ = 349825320. Its totient is φ = 40521984.

The previous prime is 121567099. The next prime is 121567139. The reversal of 121567104 is 401765121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51612 + ... + 53915.

Almost surely, 2^121567104 is an apocalyptic number.

It is an amenable number.

121567104 is an abundant number, since it is smaller than the sum of its proper divisors (228258216).

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

121567104 is a wasteful number, since it uses less digits than its factorization.

121567104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105547 (or 105532 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 121567104 is about 11025.7473216104. The cubic root of 121567104 is about 495.3802526623.

The spelling of 121567104 in words is "one hundred twenty-one million, five hundred sixty-seven thousand, one hundred four".