121590106 has 8 divisors (see below), whose sum is σ = 198965664. Its totient is φ = 55268220.

The previous prime is 121590089. The next prime is 121590143. The reversal of 121590106 is 601095121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2763390 + ... + 2763433.

It is an arithmetic number, because the mean of its divisors is an integer number (24870708).

Almost surely, 2^121590106 is an apocalyptic number.

121590106 is a deficient number, since it is larger than the sum of its proper divisors (77375558).

121590106 is a wasteful number, since it uses less digits than its factorization.

121590106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5526836.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 121590106 is about 11026.7903761702. The cubic root of 121590106 is about 495.4114947160.

The spelling of 121590106 in words is "one hundred twenty-one million, five hundred ninety thousand, one hundred six".