1025220923 has 8 divisors (see below), whose sum is σ = 1045448208. Its totient is φ = 1005026464.

The previous prime is 1025220919. The next prime is 1025220941. The reversal of 1025220923 is 3290225201.

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

It is a cyclic number.

It is not a de Polignac number, because 1025220923 - 2² = 1025220919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1025220892 and 1025220901.

It is not an unprimeable number, because it can be changed into a prime (1025220953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60461 + ... + 75537.

It is an arithmetic number, because the mean of its divisors is an integer number (130681026).

Almost surely, 2^1025220923 is an apocalyptic number.

1025220923 is a deficient number, since it is larger than the sum of its proper divisors (20227285).

1025220923 is a wasteful number, since it uses less digits than its factorization.

1025220923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16413.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1025220923 is about 32019.0712388726. The cubic root of 1025220923 is about 1008.3372710696.

The spelling of 1025220923 in words is "one billion, twenty-five million, two hundred twenty thousand, nine hundred twenty-three".