1001260340 has 12 divisors (see below), whose sum is σ = 2102646756. Its totient is φ = 400504128.

The previous prime is 1001260333. The next prime is 1001260349. The reversal of 1001260340 is 430621001.

1001260340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 249513616 + 751746724 = 15796^2 + 27418^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001260349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25031489 + ... + 25031528.

It is an arithmetic number, because the mean of its divisors is an integer number (175220563).

Almost surely, 2^1001260340 is an apocalyptic number.

1001260340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001260340 is an abundant number, since it is smaller than the sum of its proper divisors (1101386416).

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

1001260340 is a wasteful number, since it uses less digits than its factorization.

1001260340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50063026 (or 50063024 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1001260340 is about 31642.6980518413. The cubic root of 1001260340 is about 1000.4199369616.

Adding to 1001260340 its reverse (430621001), we get a palindrome (1431881341).

The spelling of 1001260340 in words is "one billion, one million, two hundred sixty thousand, three hundred forty".