1354421047 has 4 divisors (see below), whose sum is σ = 1547909776. Its totient is φ = 1160932320.

The previous prime is 1354421041. The next prime is 1354421069. The reversal of 1354421047 is 7401244531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1354421047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354421041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96744354 + ... + 96744367.

It is an arithmetic number, because the mean of its divisors is an integer number (386977444).

Almost surely, 2^1354421047 is an apocalyptic number.

1354421047 is a deficient number, since it is larger than the sum of its proper divisors (193488729).

1354421047 is an equidigital number, since it uses as much as digits as its factorization.

1354421047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193488728.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 1354421047 is about 36802.4597955082. The cubic root of 1354421047 is about 1106.4145999048.

Adding to 1354421047 its reverse (7401244531), we get a palindrome (8755665578).

The spelling of 1354421047 in words is "one billion, three hundred fifty-four million, four hundred twenty-one thousand, forty-seven".