1001100542 has 16 divisors (see below), whose sum is σ = 1619224992. Its totient is φ = 461457120.

The previous prime is 1001100473. The next prime is 1001100547. The reversal of 1001100542 is 2450011001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001100547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3434 + ... + 44877.

It is an arithmetic number, because the mean of its divisors is an integer number (101201562).

Almost surely, 2^1001100542 is an apocalyptic number.

1001100542 is a deficient number, since it is larger than the sum of its proper divisors (618124450).

1001100542 is a wasteful number, since it uses less digits than its factorization.

1001100542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49123.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1001100542 is about 31640.1729135604. The cubic root of 1001100542 is about 1000.3667128386.

Adding to 1001100542 its reverse (2450011001), we get a palindrome (3451111543).

The spelling of 1001100542 in words is "one billion, one million, one hundred thousand, five hundred forty-two".