904121896129 has 8 divisors (see below), whose sum is σ = 915964122240. Its totient is φ = 892342494096.

The previous prime is 904121896109. The next prime is 904121896159. The reversal of 904121896129 is 921698121409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-904121896129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (904121896109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15677049 + ... + 15734614.

It is an arithmetic number, because the mean of its divisors is an integer number (114495515280).

Almost surely, 2^904121896129 is an apocalyptic number.

It is an amenable number.

904121896129 is a deficient number, since it is larger than the sum of its proper divisors (11842226111).

904121896129 is a wasteful number, since it uses less digits than its factorization.

904121896129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31412039.

The product of its (nonzero) digits is 559872, while the sum is 52.

The spelling of 904121896129 in words is "nine hundred four billion, one hundred twenty-one million, eight hundred ninety-six thousand, one hundred twenty-nine".