121043190 has 16 divisors (see below), whose sum is σ = 290503728. Its totient is φ = 32278176.

The previous prime is 121043159. The next prime is 121043191. The reversal of 121043190 is 91340121.

It is a super-2 number, since 2×121043190² = 29302907690752200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121043191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2017357 + ... + 2017416.

It is an arithmetic number, because the mean of its divisors is an integer number (18156483).

Almost surely, 2^121043190 is an apocalyptic number.

121043190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121043190 is an abundant number, since it is smaller than the sum of its proper divisors (169460538).

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

121043190 is a wasteful number, since it uses less digits than its factorization.

121043190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034783.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 121043190 is about 11001.9630066639. The cubic root of 121043190 is about 494.6675862270.

The spelling of 121043190 in words is "one hundred twenty-one million, forty-three thousand, one hundred ninety".