34003640121 has 16 divisors (see below), whose sum is σ = 49572526080. Its totient is φ = 20561314320.

The previous prime is 34003640119. The next prime is 34003640131. The reversal of 34003640121 is 12104630043.

It is not a de Polignac number, because 34003640121 - 2¹ = 34003640119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34003640091 and 34003640100.

It is not an unprimeable number, because it can be changed into a prime (34003640131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1159105 + ... + 1188078.

It is an arithmetic number, because the mean of its divisors is an integer number (3098282880).

Almost surely, 2^34003640121 is an apocalyptic number.

It is an amenable number.

34003640121 is a deficient number, since it is larger than the sum of its proper divisors (15568885959).

34003640121 is a wasteful number, since it uses less digits than its factorization.

34003640121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347636.

The product of its (nonzero) digits is 1728, while the sum is 24.

The spelling of 34003640121 in words is "thirty-four billion, three million, six hundred forty thousand, one hundred twenty-one".