1204240501 has 4 divisors (see below), whose sum is σ = 1267621600. Its totient is φ = 1140859404.

The previous prime is 1204240489. The next prime is 1204240523. The reversal of 1204240501 is 1050424021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1050424021 = 257 ⋅4087253.

It is a cyclic number.

It is not a de Polignac number, because 1204240501 - 2⁵ = 1204240469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 63381079 = 1204240501 / (1 + 2 + 0 + 4 + 2 + 4 + 0 + 5 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204240801) 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, 31690521 + ... + 31690558.

It is an arithmetic number, because the mean of its divisors is an integer number (316905400).

Almost surely, 2^1204240501 is an apocalyptic number.

It is an amenable number.

1204240501 is a deficient number, since it is larger than the sum of its proper divisors (63381099).

1204240501 is an equidigital number, since it uses as much as digits as its factorization.

1204240501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63381098.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1204240501 is about 34702.1685345455. The cubic root of 1204240501 is about 1063.9088211788.

Adding to 1204240501 its reverse (1050424021), we get a palindrome (2254664522).

The spelling of 1204240501 in words is "one billion, two hundred four million, two hundred forty thousand, five hundred one".