1243641162 has 64 divisors (see below), whose sum is σ = 2733264000. Its totient is φ = 375717888.

The previous prime is 1243641127. The next prime is 1243641163. The reversal of 1243641162 is 2611463421.

It is not an unprimeable number, because it can be changed into a prime (1243641163) 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, 371914 + ... + 375242.

It is an arithmetic number, because the mean of its divisors is an integer number (42707250).

Almost surely, 2^1243641162 is an apocalyptic number.

1243641162 is an abundant number, since it is smaller than the sum of its proper divisors (1489622838).

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

1243641162 is a wasteful number, since it uses less digits than its factorization.

1243641162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495.

The product of its digits is 6912, while the sum is 30.

The square root of 1243641162 is about 35265.2968511538. The cubic root of 1243641162 is about 1075.3876120160.

The spelling of 1243641162 in words is "one billion, two hundred forty-three million, six hundred forty-one thousand, one hundred sixty-two".