121145030 has 16 divisors (see below), whose sum is σ = 223955280. Its totient is φ = 47148192.

The previous prime is 121145021. The next prime is 121145041. The reversal of 121145030 is 30541121.

It is a super-3 number, since 3×121145030³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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, 163340 + ... + 164079.

It is an arithmetic number, because the mean of its divisors is an integer number (13997205).

Almost surely, 2^121145030 is an apocalyptic number.

121145030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121145030 is a deficient number, since it is larger than the sum of its proper divisors (102810250).

121145030 is a wasteful number, since it uses less digits than its factorization.

121145030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327463.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 121145030 is about 11006.5902985439. The cubic root of 121145030 is about 494.8062772880.

Adding to 121145030 its reverse (30541121), we get a palindrome (151686151).

The spelling of 121145030 in words is "one hundred twenty-one million, one hundred forty-five thousand, thirty".