121115030 has 32 divisors (see below), whose sum is σ = 222209568. Its totient is φ = 47520000.

The previous prime is 121115003. The next prime is 121115041. The reversal of 121115030 is 30511121.

121115030 = T₂₄₄ + T₂₄₅ + ... + T₉₀₄.

It is a junction number, because it is equal to n+sod(n) for n = 121114996 and 121115014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182900 + ... + 183560.

It is an arithmetic number, because the mean of its divisors is an integer number (6944049).

Almost surely, 2^121115030 is an apocalyptic number.

121115030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121115030 is a deficient number, since it is larger than the sum of its proper divisors (101094538).

121115030 is a wasteful number, since it uses less digits than its factorization.

121115030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 121115030 is about 11005.2273942886. The cubic root of 121115030 is about 494.7654297908.

Adding to 121115030 its reverse (30511121), we get a palindrome (151626151).

The spelling of 121115030 in words is "one hundred twenty-one million, one hundred fifteen thousand, thirty".