1283154132 has 72 divisors (see below), whose sum is σ = 3412788960. Its totient is φ = 374025600.

The previous prime is 1283154127. The next prime is 1283154137. The reversal of 1283154132 is 2314513821.

It is an interprime number because it is at equal distance from previous prime (1283154127) and next prime (1283154137).

It is a self number, because there is not a number n which added to its sum of digits gives 1283154132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283154137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21882 + ... + 55182.

Almost surely, 2^1283154132 is an apocalyptic number.

1283154132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1283154132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706394480).

1283154132 is an abundant number, since it is smaller than the sum of its proper divisors (2129634828).

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

1283154132 is a wasteful number, since it uses less digits than its factorization.

1283154132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33353 (or 33338 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 1283154132 is about 35821.1408528539. The cubic root of 1283154132 is about 1086.6581517058.

Adding to 1283154132 its reverse (2314513821), we get a palindrome (3597667953).

The spelling of 1283154132 in words is "one billion, two hundred eighty-three million, one hundred fifty-four thousand, one hundred thirty-two".