121761006 has 32 divisors (see below), whose sum is σ = 263276160. Its totient is φ = 37410336.

The previous prime is 121760999. The next prime is 121761019. The reversal of 121761006 is 600167121.

It is a plaindrome in base 14.

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, 10216 + ... + 18651.

It is an arithmetic number, because the mean of its divisors is an integer number (8227380).

Almost surely, 2^121761006 is an apocalyptic number.

121761006 is an abundant number, since it is smaller than the sum of its proper divisors (141515154).

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

121761006 is a wasteful number, since it uses less digits than its factorization.

121761006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28928.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 121761006 is about 11034.5369635522. The cubic root of 121761006 is about 495.6434932754.

The spelling of 121761006 in words is "one hundred twenty-one million, seven hundred sixty-one thousand, six".