1001126542 has 8 divisors (see below), whose sum is σ = 1617204456. Its totient is φ = 462058392.

The previous prime is 1001126537. The next prime is 1001126563. The reversal of 1001126542 is 2456211001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19252408 + ... + 19252459.

It is an arithmetic number, because the mean of its divisors is an integer number (202150557).

Almost surely, 2^1001126542 is an apocalyptic number.

1001126542 is a deficient number, since it is larger than the sum of its proper divisors (616077914).

1001126542 is a wasteful number, since it uses less digits than its factorization.

1001126542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38504882.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1001126542 is about 31640.5837809608. The cubic root of 1001126542 is about 1000.3753730774.

Adding to 1001126542 its reverse (2456211001), we get a palindrome (3457337543).

The spelling of 1001126542 in words is "one billion, one million, one hundred twenty-six thousand, five hundred forty-two".