1157066147 has 2 divisors, whose sum is σ = 1157066148. Its totient is φ = 1157066146.

The previous prime is 1157066143. The next prime is 1157066177. The reversal of 1157066147 is 7416607511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1157066147 - 2² = 1157066143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1157066147.

It is not a weakly prime, because it can be changed into another prime (1157066143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578533073 + 578533074.

It is an arithmetic number, because the mean of its divisors is an integer number (578533074).

Almost surely, 2^1157066147 is an apocalyptic number.

1157066147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157066147 is an equidigital number, since it uses as much as digits as its factorization.

1157066147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 1157066147 is about 34015.6750190262. The cubic root of 1157066147 is about 1049.8310074212.

The spelling of 1157066147 in words is "one billion, one hundred fifty-seven million, sixty-six thousand, one hundred forty-seven".