1156050971 has 2 divisors, whose sum is σ = 1156050972. Its totient is φ = 1156050970.

The previous prime is 1156050967. The next prime is 1156050979. The reversal of 1156050971 is 1790506511.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1790506511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1156050971 - 2² = 1156050967 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1156050979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578025485 + 578025486.

It is an arithmetic number, because the mean of its divisors is an integer number (578025486).

Almost surely, 2^1156050971 is an apocalyptic number.

1156050971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156050971 is an equidigital number, since it uses as much as digits as its factorization.

1156050971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 35.

The square root of 1156050971 is about 34000.7495652669. The cubic root of 1156050971 is about 1049.5238872427.

The spelling of 1156050971 in words is "one billion, one hundred fifty-six million, fifty thousand, nine hundred seventy-one".