1025201403 has 12 divisors (see below), whose sum is σ = 1528616128. Its totient is φ = 661420080.

The previous prime is 1025201393. The next prime is 1025201431. The reversal of 1025201403 is 3041025201.

1025201403 is a `hidden beast` number, since 1 + 0 + 2 + 520 + 140 + 3 = 666.

It is not a de Polignac number, because 1025201403 - 2⁶ = 1025201339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025201453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1837000 + ... + 1837557.

Almost surely, 2^1025201403 is an apocalyptic number.

1025201403 is a deficient number, since it is larger than the sum of its proper divisors (503414725).

1025201403 is a wasteful number, since it uses less digits than its factorization.

1025201403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674594 (or 3674591 counting only the distinct ones).

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

The square root of 1025201403 is about 32018.7664190862. The cubic root of 1025201403 is about 1008.3308715161.

Adding to 1025201403 its reverse (3041025201), we get a palindrome (4066226604).

The spelling of 1025201403 in words is "one billion, twenty-five million, two hundred one thousand, four hundred three".