1203123134 has 8 divisors (see below), whose sum is σ = 1814133888. Its totient is φ = 598411840.

The previous prime is 1203123083. The next prime is 1203123151. The reversal of 1203123134 is 4313213021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1574387 + ... + 1575150.

It is an arithmetic number, because the mean of its divisors is an integer number (226766736).

Almost surely, 2^1203123134 is an apocalyptic number.

1203123134 is a deficient number, since it is larger than the sum of its proper divisors (611010754).

1203123134 is a wasteful number, since it uses less digits than its factorization.

1203123134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149730.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1203123134 is about 34686.0654153797. The cubic root of 1203123134 is about 1063.5796664213.

Adding to 1203123134 its reverse (4313213021), we get a palindrome (5516336155).

The spelling of 1203123134 in words is "one billion, two hundred three million, one hundred twenty-three thousand, one hundred thirty-four".