121896030 has 32 divisors (see below), whose sum is σ = 301989888. Its totient is φ = 31456800.

The previous prime is 121896017. The next prime is 121896043. The reversal of 121896030 is 30698121.

It is an interprime number because it is at equal distance from previous prime (121896017) and next prime (121896043).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64606 + ... + 66465.

It is an arithmetic number, because the mean of its divisors is an integer number (9437184).

Almost surely, 2^121896030 is an apocalyptic number.

121896030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121896030 is an abundant number, since it is smaller than the sum of its proper divisors (180093858).

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

121896030 is a wasteful number, since it uses less digits than its factorization.

121896030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131112.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 121896030 is about 11040.6535132663. The cubic root of 121896030 is about 495.8266363210.

The spelling of 121896030 in words is "one hundred twenty-one million, eight hundred ninety-six thousand, thirty".