1144121262 has 32 divisors (see below), whose sum is σ = 2335084800. Its totient is φ = 373636800.

The previous prime is 1144121257. The next prime is 1144121263. The reversal of 1144121262 is 2621214411.

1144121262 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144121263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57489 + ... + 74787.

It is an arithmetic number, because the mean of its divisors is an integer number (72971400).

Almost surely, 2^1144121262 is an apocalyptic number.

1144121262 is an abundant number, since it is smaller than the sum of its proper divisors (1190963538).

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

1144121262 is a wasteful number, since it uses less digits than its factorization.

1144121262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17528.

The product of its digits is 768, while the sum is 24.

The square root of 1144121262 is about 33824.8615961692. The cubic root of 1144121262 is about 1045.9012583083.

Adding to 1144121262 its reverse (2621214411), we get a palindrome (3765335673).

The spelling of 1144121262 in words is "one billion, one hundred forty-four million, one hundred twenty-one thousand, two hundred sixty-two".