1180212271 has 32 divisors (see below), whose sum is σ = 1448460288. Its totient is φ = 939708000.

The previous prime is 1180212211. The next prime is 1180212277. The reversal of 1180212271 is 1722120811.

It is a happy number.

It is not a de Polignac number, because 1180212271 - 2¹¹ = 1180210223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180212277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1571146 + ... + 1571896.

It is an arithmetic number, because the mean of its divisors is an integer number (45264384).

Almost surely, 2^1180212271 is an apocalyptic number.

1180212271 is a deficient number, since it is larger than the sum of its proper divisors (268248017).

1180212271 is a wasteful number, since it uses less digits than its factorization.

1180212271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051.

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 1180212271 is about 34354.2176595538. The cubic root of 1180212271 is about 1056.7851662602.

The spelling of 1180212271 in words is "one billion, one hundred eighty million, two hundred twelve thousand, two hundred seventy-one".