203129092 has 6 divisors (see below), whose sum is σ = 355475918. Its totient is φ = 101564544.

The previous prime is 203129089. The next prime is 203129093. The reversal of 203129092 is 290921302.

It can be written as a sum of positive squares in only one way, i.e., 201185856 + 1943236 = 14184^2 + 1394^2 .

It is a super-2 number, since 2×203129092² = 82522856033488928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203129092.

It is not an unprimeable number, because it can be changed into a prime (203129093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25391133 + ... + 25391140.

Almost surely, 2^203129092 is an apocalyptic number.

It is an amenable number.

203129092 is a deficient number, since it is larger than the sum of its proper divisors (152346826).

203129092 is a wasteful number, since it uses less digits than its factorization.

203129092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50782277 (or 50782275 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 203129092 is about 14252.3363698728. The cubic root of 203129092 is about 587.8376192520.

The spelling of 203129092 in words is "two hundred three million, one hundred twenty-nine thousand, ninety-two".