121156006 has 8 divisors (see below), whose sum is σ = 181793304. Its totient is φ = 60558240.

The previous prime is 121156003. The next prime is 121156037. The reversal of 121156006 is 600651121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121156003) 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, 400 + ... + 15571.

It is an arithmetic number, because the mean of its divisors is an integer number (22724163).

Almost surely, 2^121156006 is an apocalyptic number.

121156006 is a deficient number, since it is larger than the sum of its proper divisors (60637298).

121156006 is a wasteful number, since it uses less digits than its factorization.

121156006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19766.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 121156006 is about 11007.0888976150. The cubic root of 121156006 is about 494.8212203406.

The spelling of 121156006 in words is "one hundred twenty-one million, one hundred fifty-six thousand, six".