1021300425 has 36 divisors (see below), whose sum is σ = 1888283904. Its totient is φ = 527119200.

The previous prime is 1021300421. The next prime is 1021300433. The reversal of 1021300425 is 5240031201.

It is not a de Polignac number, because 1021300425 - 2² = 1021300421 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1021300398 and 1021300407.

It is not an unprimeable number, because it can be changed into a prime (1021300421) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 66237 + ... + 80186.

Almost surely, 2^1021300425 is an apocalyptic number.

1021300425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1021300425 is a deficient number, since it is larger than the sum of its proper divisors (866983479).

1021300425 is a wasteful number, since it uses less digits than its factorization.

1021300425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146470 (or 146462 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1021300425 is about 31957.7913035303. The cubic root of 1021300425 is about 1007.0503178680.

Adding to 1021300425 its reverse (5240031201), we get a palindrome (6261331626).

The spelling of 1021300425 in words is "one billion, twenty-one million, three hundred thousand, four hundred twenty-five".