121004015 has 16 divisors (see below), whose sum is σ = 158802336. Its totient is φ = 87782400.

The previous prime is 121003999. The next prime is 121004041. The reversal of 121004015 is 510400121.

It is not a de Polignac number, because 121004015 - 2⁴ = 121003999 is a prime.

It is a super-2 number, since 2×121004015² = 29283943292240450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21275 + ... + 26355.

It is an arithmetic number, because the mean of its divisors is an integer number (9925146).

Almost surely, 2^121004015 is an apocalyptic number.

121004015 is a deficient number, since it is larger than the sum of its proper divisors (37798321).

121004015 is a wasteful number, since it uses less digits than its factorization.

121004015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 121004015 is about 11000.1824984861. The cubic root of 121004015 is about 494.6142149368.

Adding to 121004015 its reverse (510400121), we get a palindrome (631404136).

The spelling of 121004015 in words is "one hundred twenty-one million, four thousand, fifteen".