1010001047 has 8 divisors (see below), whose sum is σ = 1149724800. Its totient is φ = 878261560.

The previous prime is 1010001043. The next prime is 1010001053. The reversal of 1010001047 is 7401000101.

It is a happy number.

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

It is not a de Polignac number, because 1010001047 - 2² = 1010001043 is a prime.

It is a super-2 number, since 2×1010001047² = 2040204229882192418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010001043) 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, 1995797 + ... + 1996302.

It is an arithmetic number, because the mean of its divisors is an integer number (143715600).

Almost surely, 2^1010001047 is an apocalyptic number.

1010001047 is a deficient number, since it is larger than the sum of its proper divisors (139723753).

1010001047 is a wasteful number, since it uses less digits than its factorization.

1010001047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992133.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 1010001047 is about 31780.5136365037. The cubic root of 1010001047 is about 1003.3226302345.

Adding to 1010001047 its reverse (7401000101), we get a palindrome (8411001148).

The spelling of 1010001047 in words is "one billion, ten million, one thousand, forty-seven".