1001351042 has 4 divisors (see below), whose sum is σ = 1502026566. Its totient is φ = 500675520.

The previous prime is 1001351041. The next prime is 1001351089. The reversal of 1001351042 is 2401531001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2401531001 = 5107 ⋅470243.

It can be written as a sum of positive squares in only one way, i.e., 991053361 + 10297681 = 31481^2 + 3209^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1001351042.

It is not an unprimeable number, because it can be changed into a prime (1001351041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250337759 + ... + 250337762.

Almost surely, 2^1001351042 is an apocalyptic number.

1001351042 is a deficient number, since it is larger than the sum of its proper divisors (500675524).

1001351042 is an equidigital number, since it uses as much as digits as its factorization.

1001351042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500675523.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1001351042 is about 31644.1312410374. The cubic root of 1001351042 is about 1000.4501446727.

Adding to 1001351042 its reverse (2401531001), we get a palindrome (3402882043).

The spelling of 1001351042 in words is "one billion, one million, three hundred fifty-one thousand, forty-two".