1150971 has 4 divisors (see below), whose sum is σ = 1534632. Its totient is φ = 767312.

The previous prime is 1150957. The next prime is 1150973. The reversal of 1150971 is 1790511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1150971 - 2⁵ = 1150939 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1150973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191826 + ... + 191831.

It is an arithmetic number, because the mean of its divisors is an integer number (383658).

2^1150971 is an apocalyptic number.

1150971 is a deficient number, since it is larger than the sum of its proper divisors (383661).

1150971 is an equidigital number, since it uses as much as digits as its factorization.

1150971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383660.

The product of its (nonzero) digits is 315, while the sum is 24.

The square root of 1150971 is about 1072.8331650355. The cubic root of 1150971 is about 104.7984341685.

The spelling of 1150971 in words is "one million, one hundred fifty thousand, nine hundred seventy-one".