121103004 has 96 divisors (see below), whose sum is σ = 325430784. Its totient is φ = 34693120.

The previous prime is 121102999. The next prime is 121103023. The reversal of 121103004 is 400301121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342892 + ... + 343244.

It is an arithmetic number, because the mean of its divisors is an integer number (3389904).

Almost surely, 2^121103004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121103004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162715392).

121103004 is an abundant number, since it is smaller than the sum of its proper divisors (204327780).

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

121103004 is a wasteful number, since it uses less digits than its factorization.

121103004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 121103004 is about 11004.6810040092. The cubic root of 121103004 is about 494.7490534968.

Adding to 121103004 its reverse (400301121), we get a palindrome (521404125).

The spelling of 121103004 in words is "one hundred twenty-one million, one hundred three thousand, four".