1101142340 has 48 divisors (see below), whose sum is σ = 2440240320. Its totient is φ = 416223360.

The previous prime is 1101142331. The next prime is 1101142379. The reversal of 1101142340 is 432411011.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156539 + ... + 163421.

It is an arithmetic number, because the mean of its divisors is an integer number (50838340).

Almost surely, 2^1101142340 is an apocalyptic number.

1101142340 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 1101142340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1220120160).

1101142340 is an abundant number, since it is smaller than the sum of its proper divisors (1339097980).

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

1101142340 is a wasteful number, since it uses less digits than its factorization.

1101142340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7332 (or 7330 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1101142340 is about 33183.4648582694. The cubic root of 1101142340 is about 1032.6373296688.

Adding to 1101142340 its reverse (432411011), we get a palindrome (1533553351).

The spelling of 1101142340 in words is "one billion, one hundred one million, one hundred forty-two thousand, three hundred forty".