121190430 has 16 divisors (see below), whose sum is σ = 290857104. Its totient is φ = 32317440.

The previous prime is 121190413. The next prime is 121190441. The reversal of 121190430 is 34091121.

It is a junction number, because it is equal to n+sod(n) for n = 121190397 and 121190406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2019811 + ... + 2019870.

It is an arithmetic number, because the mean of its divisors is an integer number (18178569).

Almost surely, 2^121190430 is an apocalyptic number.

121190430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121190430 is an abundant number, since it is smaller than the sum of its proper divisors (169666674).

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

121190430 is a wasteful number, since it uses less digits than its factorization.

121190430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039691.

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

The square root of 121190430 is about 11008.6525060972. The cubic root of 121190430 is about 494.8680803444.

The spelling of 121190430 in words is "one hundred twenty-one million, one hundred ninety thousand, four hundred thirty".