1005035642 has 16 divisors (see below), whose sum is σ = 1624842240. Its totient is φ = 463484592.

The previous prime is 1005035641. The next prime is 1005035651. The reversal of 1005035642 is 2465305001.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1005035641) 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, 18143 + ... + 48365.

It is an arithmetic number, because the mean of its divisors is an integer number (101552640).

Almost surely, 2^1005035642 is an apocalyptic number.

1005035642 is a deficient number, since it is larger than the sum of its proper divisors (619806598).

1005035642 is a wasteful number, since it uses less digits than its factorization.

1005035642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31517.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1005035642 is about 31702.2971092001. The cubic root of 1005035642 is about 1001.6757376681.

The spelling of 1005035642 in words is "one billion, five million, thirty-five thousand, six hundred forty-two".