1162231420 has 96 divisors (see below), whose sum is σ = 2898080640. Its totient is φ = 383201280.

The previous prime is 1162231393. The next prime is 1162231459. The reversal of 1162231420 is 241322611.

It is a junction number, because it is equal to n+sod(n) for n = 1162231391 and 1162231400.

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, 459760 + ... + 462280.

It is an arithmetic number, because the mean of its divisors is an integer number (30188340).

Almost surely, 2^1162231420 is an apocalyptic number.

1162231420 is a gapful number since it is divisible by the number (10) 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 1162231420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1449040320).

1162231420 is an abundant number, since it is smaller than the sum of its proper divisors (1735849220).

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

1162231420 is a wasteful number, since it uses less digits than its factorization.

1162231420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663 (or 2661 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1162231420 is about 34091.5153667302. The cubic root of 1162231420 is about 1051.3908763470.

The spelling of 1162231420 in words is "one billion, one hundred sixty-two million, two hundred thirty-one thousand, four hundred twenty".