1001251342 has 16 divisors (see below), whose sum is σ = 1848464352. Its totient is φ = 396099360.

The previous prime is 1001251331. The next prime is 1001251351. The reversal of 1001251342 is 2431521001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2750509 + ... + 2750872.

It is an arithmetic number, because the mean of its divisors is an integer number (115529022).

Almost surely, 2^1001251342 is an apocalyptic number.

1001251342 is a deficient number, since it is larger than the sum of its proper divisors (847213010).

1001251342 is a wasteful number, since it uses less digits than its factorization.

1001251342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501403.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1001251342 is about 31642.5558702201. Note that the first 3 decimals coincide. The cubic root of 1001251342 is about 1000.4169401368.

Adding to 1001251342 its reverse (2431521001), we get a palindrome (3432772343).

The spelling of 1001251342 in words is "one billion, one million, two hundred fifty-one thousand, three hundred forty-two".