1199272825 has 6 divisors (see below), whose sum is σ = 1487098334. Its totient is φ = 959418240.

The previous prime is 1199272819. The next prime is 1199272843. The reversal of 1199272825 is 5282729911.

It can be written as a sum of positive squares in 3 ways, for example, as 40755456 + 1158517369 = 6384^2 + 34037^2 .

It is not a de Polignac number, because 1199272825 - 2⁵ = 1199272793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23985432 + ... + 23985481.

Almost surely, 2^1199272825 is an apocalyptic number.

It is an amenable number.

1199272825 is a deficient number, since it is larger than the sum of its proper divisors (287825509).

1199272825 is an equidigital number, since it uses as much as digits as its factorization.

1199272825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47970923 (or 47970918 counting only the distinct ones).

The product of its digits is 181440, while the sum is 46.

The square root of 1199272825 is about 34630.5186937764. The cubic root of 1199272825 is about 1062.4438761589.

It can be divided in two parts, 11992728 and 25, that added together give a triangular number (11992753 = T₄₈₉₇).

The spelling of 1199272825 in words is "one billion, one hundred ninety-nine million, two hundred seventy-two thousand, eight hundred twenty-five".