1506115147 has 2 divisors, whose sum is σ = 1506115148. Its totient is φ = 1506115146.

The previous prime is 1506115133. The next prime is 1506115159. The reversal of 1506115147 is 7415116051.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1506115147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1506115447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 753057573 + 753057574.

It is an arithmetic number, because the mean of its divisors is an integer number (753057574).

Almost surely, 2^1506115147 is an apocalyptic number.

1506115147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1506115147 is an equidigital number, since it uses as much as digits as its factorization.

1506115147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 31.

The square root of 1506115147 is about 38808.6993726922. The cubic root of 1506115147 is about 1146.2677102803.

The spelling of 1506115147 in words is "one billion, five hundred six million, one hundred fifteen thousand, one hundred forty-seven".