121140430 has 16 divisors (see below), whose sum is σ = 218886624. Its totient is φ = 48270880.

The previous prime is 121140421. The next prime is 121140433. The reversal of 121140430 is 34041121.

It is a super-3 number, since 3×121140430³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121140433) 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, 20401 + ... + 25660.

It is an arithmetic number, because the mean of its divisors is an integer number (13680414).

Almost surely, 2^121140430 is an apocalyptic number.

121140430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121140430 is a deficient number, since it is larger than the sum of its proper divisors (97746194).

121140430 is a wasteful number, since it uses less digits than its factorization.

121140430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46331.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121140430 is about 11006.3813308462. The cubic root of 121140430 is about 494.8000144428.

Adding to 121140430 its reverse (34041121), we get a palindrome (155181551).

The spelling of 121140430 in words is "one hundred twenty-one million, one hundred forty thousand, four hundred thirty".