1204420547 has 16 divisors (see below), whose sum is σ = 1365396480. Its totient is φ = 1052368800.

The previous prime is 1204420541. The next prime is 1204420603. The reversal of 1204420547 is 7450244021.

It is a cyclic number.

It is not a de Polignac number, because 1204420547 - 2⁴ = 1204420531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204420541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62672 + ... + 79602.

It is an arithmetic number, because the mean of its divisors is an integer number (85337280).

Almost surely, 2^1204420547 is an apocalyptic number.

1204420547 is a deficient number, since it is larger than the sum of its proper divisors (160975933).

1204420547 is a wasteful number, since it uses less digits than its factorization.

1204420547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17194.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 1204420547 is about 34704.7625982371. The cubic root of 1204420547 is about 1063.9618402067.

Adding to 1204420547 its reverse (7450244021), we get a palindrome (8654664568).

The spelling of 1204420547 in words is "one billion, two hundred four million, four hundred twenty thousand, five hundred forty-seven".