800120372 has 6 divisors (see below), whose sum is σ = 1400210658. Its totient is φ = 400060184.

The previous prime is 800120357. The next prime is 800120401. The reversal of 800120372 is 273021008.

It can be written as a sum of positive squares in only one way, i.e., 733109776 + 67010596 = 27076^2 + 8186^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100015043 + ... + 100015050.

It is an arithmetic number, because the mean of its divisors is an integer number (233368443).

Almost surely, 2^800120372 is an apocalyptic number.

It is an amenable number.

800120372 is a deficient number, since it is larger than the sum of its proper divisors (600090286).

800120372 is a wasteful number, since it uses less digits than its factorization.

800120372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200030097 (or 200030095 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 800120372 is about 28286.3990638611. The cubic root of 800120372 is about 928.3643241651.

The spelling of 800120372 in words is "eight hundred million, one hundred twenty thousand, three hundred seventy-two".