121671104 has 28 divisors (see below), whose sum is σ = 251941584. Its totient is φ = 58189824.

The previous prime is 121671101. The next prime is 121671107. The reversal of 121671104 is 401176121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121671101) and next prime (121671107).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 121671104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121671101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39857 + ... + 42800.

Almost surely, 2^121671104 is an apocalyptic number.

It is an amenable number.

121671104 is an abundant number, since it is smaller than the sum of its proper divisors (130270480).

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

121671104 is an equidigital number, since it uses as much as digits as its factorization.

121671104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82692 (or 82682 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 121671104 is about 11030.4625469651. The cubic root of 121671104 is about 495.5214774400.

The spelling of 121671104 in words is "one hundred twenty-one million, six hundred seventy-one thousand, one hundred four".