1162231620 has 72 divisors (see below), whose sum is σ = 3577006272. Its totient is φ = 281751360.

The previous prime is 1162231573. The next prime is 1162231621. The reversal of 1162231620 is 261322611.

It is not an unprimeable number, because it can be changed into a prime (1162231621) 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, 72784 + ... + 87303.

Almost surely, 2^1162231620 is an apocalyptic number.

1162231620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1162231620 is an abundant number, since it is smaller than the sum of its proper divisors (2414774652).

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

1162231620 is a wasteful number, since it uses less digits than its factorization.

1162231620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160121 (or 160108 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1162231620 is about 34091.5183000112. The cubic root of 1162231620 is about 1051.3909366557.

Subtracting from 1162231620 its reverse (261322611), we obtain a palindrome (900909009).

The spelling of 1162231620 in words is "one billion, one hundred sixty-two million, two hundred thirty-one thousand, six hundred twenty".