1204265001 has 4 divisors (see below), whose sum is σ = 1605686672. Its totient is φ = 802843332.

The previous prime is 1204264951. The next prime is 1204265021. The reversal of 1204265001 is 1005624021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1204265001 - 2⁹ = 1204264489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204265021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200710831 + ... + 200710836.

It is an arithmetic number, because the mean of its divisors is an integer number (401421668).

Almost surely, 2^1204265001 is an apocalyptic number.

It is an amenable number.

1204265001 is a deficient number, since it is larger than the sum of its proper divisors (401421671).

1204265001 is an equidigital number, since it uses as much as digits as its factorization.

1204265001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401421670.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1204265001 is about 34702.5215366261. The cubic root of 1204265001 is about 1063.9160361245.

Adding to 1204265001 its reverse (1005624021), we get a palindrome (2209889022).

The spelling of 1204265001 in words is "one billion, two hundred four million, two hundred sixty-five thousand, one".