807121948 has 24 divisors (see below), whose sum is σ = 1441858320. Its totient is φ = 395191680.

The previous prime is 807121933. The next prime is 807121979. The reversal of 807121948 is 849121708.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 807121948.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117283 + ... + 123973.

It is an arithmetic number, because the mean of its divisors is an integer number (60077430).

Almost surely, 2^807121948 is an apocalyptic number.

It is an amenable number.

807121948 is a deficient number, since it is larger than the sum of its proper divisors (634736372).

807121948 is a wasteful number, since it uses less digits than its factorization.

807121948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7317 (or 7315 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 807121948 is about 28409.8917280584. The cubic root of 807121948 is about 931.0643950747.

The spelling of 807121948 in words is "eight hundred seven million, one hundred twenty-one thousand, nine hundred forty-eight".