814121292 has 24 divisors (see below), whose sum is σ = 1965121200. Its totient is φ = 262015936.

The previous prime is 814121257. The next prime is 814121387. The reversal of 814121292 is 292121418.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

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, 1169367 + ... + 1170062.

It is an arithmetic number, because the mean of its divisors is an integer number (81880050).

Almost surely, 2^814121292 is an apocalyptic number.

It is an amenable number.

814121292 is an abundant number, since it is smaller than the sum of its proper divisors (1150999908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

814121292 is a wasteful number, since it uses less digits than its factorization.

814121292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339465 (or 2339463 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 814121292 is about 28532.8107973960. The cubic root of 814121292 is about 933.7480425185.

The spelling of 814121292 in words is "eight hundred fourteen million, one hundred twenty-one thousand, two hundred ninety-two".