1262133488 has 160 divisors (see below), whose sum is σ = 3167797248. Its totient is φ = 472953600.

The previous prime is 1262133479. The next prime is 1262133527. The reversal of 1262133488 is 8843312621.

It is a happy number.

It is a super-2 number, since 2×1262133488² = 3185961883062092288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4111031 + ... + 4111337.

Almost surely, 2^1262133488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1262133488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1583898624).

1262133488 is an abundant number, since it is smaller than the sum of its proper divisors (1905663760).

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

1262133488 is a wasteful number, since it uses less digits than its factorization.

1262133488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 445 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 1262133488 is about 35526.5180956423. The cubic root of 1262133488 is about 1080.6915689535.

It can be divided in two parts, 1262133 and 488, that added together give a palindrome (1262621).

The spelling of 1262133488 in words is "one billion, two hundred sixty-two million, one hundred thirty-three thousand, four hundred eighty-eight".