121243004 has 6 divisors (see below), whose sum is σ = 212175264. Its totient is φ = 60621500.

The previous prime is 121242973. The next prime is 121243013. The reversal of 121243004 is 400342121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15155372 + ... + 15155379.

It is an arithmetic number, because the mean of its divisors is an integer number (35362544).

Almost surely, 2^121243004 is an apocalyptic number.

It is an amenable number.

121243004 is a deficient number, since it is larger than the sum of its proper divisors (90932260).

121243004 is a wasteful number, since it uses less digits than its factorization.

121243004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30310755 (or 30310753 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 121243004 is about 11011.0400961944. The cubic root of 121243004 is about 494.9396300896.

Adding to 121243004 its reverse (400342121), we get a palindrome (521585125).

The spelling of 121243004 in words is "one hundred twenty-one million, two hundred forty-three thousand, four".