1204312461 has 8 divisors (see below), whose sum is σ = 1751727264. Its totient is φ = 729886320.

The previous prime is 1204312451. The next prime is 1204312469. The reversal of 1204312461 is 1642134021.

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

It is not a de Polignac number, because 1204312461 - 2⁹ = 1204311949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204312469) 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, 18247126 + ... + 18247191.

It is an arithmetic number, because the mean of its divisors is an integer number (218965908).

Almost surely, 2^1204312461 is an apocalyptic number.

1204312461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1204312461 is a deficient number, since it is larger than the sum of its proper divisors (547414803).

1204312461 is a wasteful number, since it uses less digits than its factorization.

1204312461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36494331.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1204312461 is about 34703.2053418701. The cubic root of 1204312461 is about 1063.9300122266.

Adding to 1204312461 its reverse (1642134021), we get a palindrome (2846446482).

The spelling of 1204312461 in words is "one billion, two hundred four million, three hundred twelve thousand, four hundred sixty-one".