121186630 has 16 divisors (see below), whose sum is σ = 219269664. Its totient is φ = 48222720.

The previous prime is 121186619. The next prime is 121186631. The reversal of 121186630 is 36681121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121186631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29466 + ... + 33325.

It is an arithmetic number, because the mean of its divisors is an integer number (13704354).

Almost surely, 2^121186630 is an apocalyptic number.

121186630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121186630 is a deficient number, since it is larger than the sum of its proper divisors (98083034).

121186630 is a wasteful number, since it uses less digits than its factorization.

121186630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62991.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 121186630 is about 11008.4799132305. The cubic root of 121186630 is about 494.8629079933.

The spelling of 121186630 in words is "one hundred twenty-one million, one hundred eighty-six thousand, six hundred thirty".