121120004 has 6 divisors (see below), whose sum is σ = 211960014. Its totient is φ = 60560000.

The previous prime is 121119983. The next prime is 121120009. The reversal of 121120004 is 400021121.

It can be written as a sum of positive squares in only one way, i.e., 99960004 + 21160000 = 9998^2 + 4600^2 .

It is not an unprimeable number, because it can be changed into a prime (121120009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15139997 + ... + 15140004.

It is an arithmetic number, because the mean of its divisors is an integer number (35326669).

Almost surely, 2^121120004 is an apocalyptic number.

It is an amenable number.

121120004 is a deficient number, since it is larger than the sum of its proper divisors (90840010).

121120004 is a wasteful number, since it uses less digits than its factorization.

121120004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30280005 (or 30280003 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 121120004 is about 11005.4533754862. The cubic root of 121120004 is about 494.7722027723.

Adding to 121120004 its reverse (400021121), we get a palindrome (521141125).

The spelling of 121120004 in words is "one hundred twenty-one million, one hundred twenty thousand, four".