1001142340 has 48 divisors (see below), whose sum is σ = 2346886080. Its totient is φ = 355582080.

The previous prime is 1001142301. The next prime is 1001142343. The reversal of 1001142340 is 432411001.

It is not an unprimeable number, because it can be changed into a prime (1001142343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43455 + ... + 62374.

It is an arithmetic number, because the mean of its divisors is an integer number (48893460).

Almost surely, 2^1001142340 is an apocalyptic number.

1001142340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001142340 is an abundant number, since it is smaller than the sum of its proper divisors (1345743740).

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

1001142340 is a wasteful number, since it uses less digits than its factorization.

1001142340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105892 (or 105890 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1001142340 is about 31640.8334277086. The cubic root of 1001142340 is about 1000.3806350985.

Adding to 1001142340 its reverse (432411001), we get a palindrome (1433553341).

It can be divided in two parts, 1001 and 142340, that added together give a palindrome (143341).

The spelling of 1001142340 in words is "one billion, one million, one hundred forty-two thousand, three hundred forty".