1002057203 has 12 divisors (see below), whose sum is σ = 1181630520. Its totient is φ = 847137312.

The previous prime is 1002057193. The next prime is 1002057209. The reversal of 1002057203 is 3027502001.

It is not a de Polignac number, because 1002057203 - 2⁶ = 1002057139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002057209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136493 + ... + 143646.

It is an arithmetic number, because the mean of its divisors is an integer number (98469210).

Almost surely, 2^1002057203 is an apocalyptic number.

1002057203 is a deficient number, since it is larger than the sum of its proper divisors (179573317).

1002057203 is an equidigital number, since it uses as much as digits as its factorization.

1002057203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280226 (or 280219 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1002057203 is about 31655.2871255340. The cubic root of 1002057203 is about 1000.6852646384.

Adding to 1002057203 its reverse (3027502001), we get a palindrome (4029559204).

The spelling of 1002057203 in words is "one billion, two million, fifty-seven thousand, two hundred three".