1164245051 has 4 divisors (see below), whose sum is σ = 1232730072. Its totient is φ = 1095760032.

The previous prime is 1164245029. The next prime is 1164245057. The reversal of 1164245051 is 1505424611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1505424611 = 2287 ⋅658253.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1164245051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1164245057) 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, 34242485 + ... + 34242518.

It is an arithmetic number, because the mean of its divisors is an integer number (308182518).

Almost surely, 2^1164245051 is an apocalyptic number.

1164245051 is a deficient number, since it is larger than the sum of its proper divisors (68485021).

1164245051 is an equidigital number, since it uses as much as digits as its factorization.

1164245051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68485020.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 1164245051 is about 34121.0353154766. The cubic root of 1164245051 is about 1051.9977238670.

Adding to 1164245051 its reverse (1505424611), we get a palindrome (2669669662).

The spelling of 1164245051 in words is "one billion, one hundred sixty-four million, two hundred forty-five thousand, fifty-one".