1164550242 has 16 divisors (see below), whose sum is σ = 2451684960. Its totient is φ = 367752672.

The previous prime is 1164550241. The next prime is 1164550259. The reversal of 1164550242 is 2420554611.

It is a super-2 number, since 2×1164550242² = 2712354532284517128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1164550241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5107563 + ... + 5107790.

It is an arithmetic number, because the mean of its divisors is an integer number (153230310).

Almost surely, 2^1164550242 is an apocalyptic number.

1164550242 is an abundant number, since it is smaller than the sum of its proper divisors (1287134718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1164550242 is a wasteful number, since it uses less digits than its factorization.

1164550242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10215377.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1164550242 is about 34125.5072050219. The cubic root of 1164550242 is about 1052.0896381329.

The spelling of 1164550242 in words is "one billion, one hundred sixty-four million, five hundred fifty thousand, two hundred forty-two".