1010047621 has 6 divisors (see below), whose sum is σ = 1110217766. Its totient is φ = 918225000.

The previous prime is 1010047613. The next prime is 1010047631. The reversal of 1010047621 is 1267400101.

It can be written as a sum of positive squares in only one way, i.e., 755645121 + 254402500 = 27489^2 + 15950^2 .

It is not a de Polignac number, because 1010047621 - 2³ = 1010047613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010047592 and 1010047601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010047631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4173630 + ... + 4173871.

Almost surely, 2^1010047621 is an apocalyptic number.

1010047621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1010047621 is a deficient number, since it is larger than the sum of its proper divisors (100170145).

1010047621 is an equidigital number, since it uses as much as digits as its factorization.

1010047621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8347523 (or 8347512 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1010047621 is about 31781.2463726645. The cubic root of 1010047621 is about 1003.3380520106.

Adding to 1010047621 its reverse (1267400101), we get a palindrome (2277447722).

The spelling of 1010047621 in words is "one billion, ten million, forty-seven thousand, six hundred twenty-one".