1495122947 has 2 divisors, whose sum is σ = 1495122948. Its totient is φ = 1495122946.

The previous prime is 1495122931. The next prime is 1495122991. The reversal of 1495122947 is 7492215941.

It is an a-pointer prime, because the next prime (1495122991) can be obtained adding 1495122947 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1495122947 - 2⁴ = 1495122931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1495122898 and 1495122907.

It is not a weakly prime, because it can be changed into another prime (1495322947) 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, 747561473 + 747561474.

It is an arithmetic number, because the mean of its divisors is an integer number (747561474).

Almost surely, 2^1495122947 is an apocalyptic number.

1495122947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1495122947 is an equidigital number, since it uses as much as digits as its factorization.

1495122947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 1495122947 is about 38666.8197166511. The cubic root of 1495122947 is about 1143.4722661980.

The spelling of 1495122947 in words is "one billion, four hundred ninety-five million, one hundred twenty-two thousand, nine hundred forty-seven".