121630004 has 24 divisors (see below), whose sum is σ = 215419680. Its totient is φ = 60086304.

The previous prime is 121629997. The next prime is 121630021. The reversal of 121630004 is 400036121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156962 + ... + 157734.

It is an arithmetic number, because the mean of its divisors is an integer number (8975820).

Almost surely, 2^121630004 is an apocalyptic number.

It is an amenable number.

121630004 is a deficient number, since it is larger than the sum of its proper divisors (93789676).

121630004 is a wasteful number, since it uses less digits than its factorization.

121630004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1197 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 121630004 is about 11028.5993671001. The cubic root of 121630004 is about 495.4656761153.

Adding to 121630004 its reverse (400036121), we get a palindrome (521666125).

The spelling of 121630004 in words is "one hundred twenty-one million, six hundred thirty thousand, four".