1164212356 has 12 divisors (see below), whose sum is σ = 2043145692. Its totient is φ = 580456448.

The previous prime is 1164212351. The next prime is 1164212393. The reversal of 1164212356 is 6532124611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 946177600 + 218034756 = 30760^2 + 14766^2 .

It is not an unprimeable number, because it can be changed into a prime (1164212351) 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, 410845 + ... + 413668.

It is an arithmetic number, because the mean of its divisors is an integer number (170262141).

Almost surely, 2^1164212356 is an apocalyptic number.

It is an amenable number.

1164212356 is a deficient number, since it is larger than the sum of its proper divisors (878933336).

1164212356 is a wasteful number, since it uses less digits than its factorization.

1164212356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824870 (or 824868 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 1164212356 is about 34120.5562088311. The cubic root of 1164212356 is about 1051.9878761729.

Adding to 1164212356 its reverse (6532124611), we get a palindrome (7696336967).

The spelling of 1164212356 in words is "one billion, one hundred sixty-four million, two hundred twelve thousand, three hundred fifty-six".