1142404547 has 2 divisors, whose sum is σ = 1142404548. Its totient is φ = 1142404546.

The previous prime is 1142404541. The next prime is 1142404579. The reversal of 1142404547 is 7454042411.

It is an a-pointer prime, because the next prime (1142404579) can be obtained adding 1142404547 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1142404547 - 2⁴ = 1142404531 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142404541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571202273 + 571202274.

It is an arithmetic number, because the mean of its divisors is an integer number (571202274).

Almost surely, 2^1142404547 is an apocalyptic number.

1142404547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142404547 is an equidigital number, since it uses as much as digits as its factorization.

1142404547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 1142404547 is about 33799.4755432684. The cubic root of 1142404547 is about 1045.3778833760.

Adding to 1142404547 its reverse (7454042411), we get a palindrome (8596446958).

The spelling of 1142404547 in words is "one billion, one hundred forty-two million, four hundred four thousand, five hundred forty-seven".