1504742147 has 2 divisors, whose sum is σ = 1504742148. Its totient is φ = 1504742146.

The previous prime is 1504742143. The next prime is 1504742149. The reversal of 1504742147 is 7412474051.

It is a strong prime.

It is an emirp because it is prime and its reverse (7412474051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1504742147 - 2² = 1504742143 is a prime.

It is a super-4 number, since 4×1504742147⁴ (a number of 38 digits) contains 4444 as substring.

Together with 1504742149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1504742143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 752371073 + 752371074.

It is an arithmetic number, because the mean of its divisors is an integer number (752371074).

Almost surely, 2^1504742147 is an apocalyptic number.

1504742147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1504742147 is an equidigital number, since it uses as much as digits as its factorization.

1504742147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 1504742147 is about 38791.0060065474. The cubic root of 1504742147 is about 1145.9192853821.

The spelling of 1504742147 in words is "one billion, five hundred four million, seven hundred forty-two thousand, one hundred forty-seven".