1022251203 has 12 divisors (see below), whose sum is σ = 1477950240. Its totient is φ = 680870736.

The previous prime is 1022251187. The next prime is 1022251211. The reversal of 1022251203 is 3021522201.

It is not a de Polignac number, because 1022251203 - 2⁴ = 1022251187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022251213) 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, 42123 + ... + 61796.

It is an arithmetic number, because the mean of its divisors is an integer number (123162520).

Almost surely, 2^1022251203 is an apocalyptic number.

1022251203 is a deficient number, since it is larger than the sum of its proper divisors (455699037).

1022251203 is a wasteful number, since it uses less digits than its factorization.

1022251203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105018 (or 105015 counting only the distinct ones).

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

The square root of 1022251203 is about 31972.6633704482. The cubic root of 1022251203 is about 1007.3627249049.

Adding to 1022251203 its reverse (3021522201), we get a palindrome (4043773404).

It can be divided in two parts, 10222 and 51203, that added together give a triangular number (61425 = T₃₅₀).

The spelling of 1022251203 in words is "one billion, twenty-two million, two hundred fifty-one thousand, two hundred three".