121156010 has 8 divisors (see below), whose sum is σ = 218080836. Its totient is φ = 48462400.

The previous prime is 121156003. The next prime is 121156037. The reversal of 121156010 is 10651121.

It can be written as a sum of positive squares in 2 ways, for example, as 118962649 + 2193361 = 10907^2 + 1481^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 121156010.

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, 6057791 + ... + 6057810.

Almost surely, 2^121156010 is an apocalyptic number.

121156010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121156010 is a deficient number, since it is larger than the sum of its proper divisors (96924826).

121156010 is a wasteful number, since it uses less digits than its factorization.

121156010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12115608.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 121156010 is about 11007.0890793161. The cubic root of 121156010 is about 494.8212257862.

The spelling of 121156010 in words is "one hundred twenty-one million, one hundred fifty-six thousand, ten".