1038220761 has 4 divisors (see below), whose sum is σ = 1384294352. Its totient is φ = 692147172.

The previous prime is 1038220751. The next prime is 1038220823. The reversal of 1038220761 is 1670228301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1038220761 - 2¹⁰ = 1038219737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1038220751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173036791 + ... + 173036796.

It is an arithmetic number, because the mean of its divisors is an integer number (346073588).

Almost surely, 2^1038220761 is an apocalyptic number.

It is an amenable number.

1038220761 is a deficient number, since it is larger than the sum of its proper divisors (346073591).

1038220761 is an equidigital number, since it uses as much as digits as its factorization.

1038220761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346073590.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1038220761 is about 32221.4332549004. The cubic root of 1038220761 is about 1012.5813007114.

The spelling of 1038220761 in words is "one billion, thirty-eight million, two hundred twenty thousand, seven hundred sixty-one".