1162844100 has 360 divisors, whose sum is σ = 4254894336. Its totient is φ = 272160000.

The previous prime is 1162844063. The next prime is 1162844101. The reversal of 1162844100 is 14482611.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1162844101) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2761890 + ... + 2762310.

Almost surely, 2^1162844100 is an apocalyptic number.

1162844100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a pronic number, being equal to 34100×34101.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1162844100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2127447168).

1162844100 is an abundant number, since it is smaller than the sum of its proper divisors (3092050236).

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

1162844100 is a wasteful number, since it uses less digits than its factorization.

1162844100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1162844100 is about 34100.4999963344. The cubic root of 1162844100 is about 1051.5755937196.

The spelling of 1162844100 in words is "one billion, one hundred sixty-two million, eight hundred forty-four thousand, one hundred".