121131004 has 24 divisors (see below), whose sum is σ = 223786640. Its totient is φ = 57210624.

The previous prime is 121130983. The next prime is 121131011. The reversal of 121131004 is 400131121.

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 7 ways as a sum of consecutive naturals, for example, 26212 + ... + 30484.

Almost surely, 2^121131004 is an apocalyptic number.

It is an amenable number.

121131004 is a deficient number, since it is larger than the sum of its proper divisors (102655636).

121131004 is a wasteful number, since it uses less digits than its factorization.

121131004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4669 (or 4667 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 121131004 is about 11005.9531163821. The cubic root of 121131004 is about 494.7871805610.

Adding to 121131004 its reverse (400131121), we get a palindrome (521262125).

The spelling of 121131004 in words is "one hundred twenty-one million, one hundred thirty-one thousand, four".