1022051025 has 18 divisors (see below), whose sum is σ = 1830607350. Its totient is φ = 545093760.

The previous prime is 1022051011. The next prime is 1022051077. The reversal of 1022051025 is 5201502201.

It can be written as a sum of positive squares in 3 ways, for example, as 5461569 + 1016589456 = 2337^2 + 31884^2 .

It is not a de Polignac number, because 1022051025 - 2¹⁴ = 1022034641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022050989 and 1022051007.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2271000 + ... + 2271449.

Almost surely, 2^1022051025 is an apocalyptic number.

1022051025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1022051025 is a deficient number, since it is larger than the sum of its proper divisors (808556325).

1022051025 is a wasteful number, since it uses less digits than its factorization.

1022051025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542465 (or 4542457 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1022051025 is about 31969.5327616780. The cubic root of 1022051025 is about 1007.2969664367.

Adding to 1022051025 its reverse (5201502201), we get a palindrome (6223553226).

The spelling of 1022051025 in words is "one billion, twenty-two million, fifty-one thousand, twenty-five".