1001214542 has 16 divisors (see below), whose sum is σ = 1528329600. Its totient is φ = 491783160.

The previous prime is 1001214509. The next prime is 1001214581. The reversal of 1001214542 is 2454121001.

It is a happy number.

It is a super-2 number, since 2×1001214542² = 2004861118224539528, which contains 22 as substring.

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, 312167 + ... + 315357.

It is an arithmetic number, because the mean of its divisors is an integer number (95520600).

Almost surely, 2^1001214542 is an apocalyptic number.

1001214542 is a deficient number, since it is larger than the sum of its proper divisors (527115058).

1001214542 is a wasteful number, since it uses less digits than its factorization.

1001214542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5911.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1001214542 is about 31641.9743694985. The cubic root of 1001214542 is about 1000.4046835425.

Adding to 1001214542 its reverse (2454121001), we get a palindrome (3455335543).

The spelling of 1001214542 in words is "one billion, one million, two hundred fourteen thousand, five hundred forty-two".