121435004 has 12 divisors (see below), whose sum is σ = 223696200. Its totient is φ = 57521808.

The previous prime is 121435003. The next prime is 121435007. The reversal of 121435004 is 400534121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121435003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 798839 + ... + 798990.

It is an arithmetic number, because the mean of its divisors is an integer number (18641350).

Almost surely, 2^121435004 is an apocalyptic number.

It is an amenable number.

121435004 is a deficient number, since it is larger than the sum of its proper divisors (102261196).

121435004 is a wasteful number, since it uses less digits than its factorization.

121435004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597852 (or 1597850 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 121435004 is about 11019.7551696941. The cubic root of 121435004 is about 495.2007538595.

Adding to 121435004 its reverse (400534121), we get a palindrome (521969125).

The spelling of 121435004 in words is "one hundred twenty-one million, four hundred thirty-five thousand, four".