1199425 has 6 divisors (see below), whose sum is σ = 1487318. Its totient is φ = 959520.

The previous prime is 1199423. The next prime is 1199437. The reversal of 1199425 is 5249911.

It can be written as a sum of positive squares in 3 ways, for example, as 410881 + 788544 = 641^2 + 888^2 .

It is not a de Polignac number, because 1199425 - 2¹ = 1199423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1199423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23964 + ... + 24013.

2^1199425 is an apocalyptic number.

It is an amenable number.

1199425 is a deficient number, since it is larger than the sum of its proper divisors (287893).

1199425 is an equidigital number, since it uses as much as digits as its factorization.

1199425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47987 (or 47982 counting only the distinct ones).

The product of its digits is 3240, while the sum is 31.

The square root of 1199425 is about 1095.1826331713. The cubic root of 1199425 is about 106.2488811878.

The spelling of 1199425 in words is "one million, one hundred ninety-nine thousand, four hundred twenty-five".