203129492 has 12 divisors (see below), whose sum is σ = 355735380. Its totient is φ = 101490816.

The previous prime is 203129477. The next prime is 203129533. The reversal of 203129492 is 294921302.

It can be written as a sum of positive squares in 2 ways, for example, as 83795716 + 119333776 = 9154^2 + 10924^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12053 + ... + 23484.

It is an arithmetic number, because the mean of its divisors is an integer number (29644615).

Almost surely, 2^203129492 is an apocalyptic number.

It is an amenable number.

203129492 is a deficient number, since it is larger than the sum of its proper divisors (152605888).

203129492 is a wasteful number, since it uses less digits than its factorization.

203129492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36970 (or 36968 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 203129492 is about 14252.3504026529. The cubic root of 203129492 is about 587.8380051066.

The spelling of 203129492 in words is "two hundred three million, one hundred twenty-nine thousand, four hundred ninety-two".