1204387 has 8 divisors (see below), whose sum is σ = 1267376. Its totient is φ = 1143072.

The previous prime is 1204369. The next prime is 1204397. The reversal of 1204387 is 7834021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1204387 - 2¹⁵ = 1171619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213 + ... + 1969.

It is an arithmetic number, because the mean of its divisors is an integer number (158422).

2^1204387 is an apocalyptic number.

1204387 is a deficient number, since it is larger than the sum of its proper divisors (62989).

1204387 is an equidigital number, since it uses as much as digits as its factorization.

1204387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1204387 is about 1097.4456706370. The cubic root of 1204387 is about 106.3951961858.

The spelling of 1204387 in words is "one million, two hundred four thousand, three hundred eighty-seven".