1202112503 has 4 divisors (see below), whose sum is σ = 1254378288. Its totient is φ = 1149846720.

The previous prime is 1202112491. The next prime is 1202112521. The reversal of 1202112503 is 3052112021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1202112503 - 2¹² = 1202108407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202112523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26132858 + ... + 26132903.

It is an arithmetic number, because the mean of its divisors is an integer number (313594572).

Almost surely, 2^1202112503 is an apocalyptic number.

1202112503 is a deficient number, since it is larger than the sum of its proper divisors (52265785).

1202112503 is an equidigital number, since it uses as much as digits as its factorization.

1202112503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52265784.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1202112503 is about 34671.4940981781. The cubic root of 1202112503 is about 1063.2817784600.

Adding to 1202112503 its reverse (3052112021), we get a palindrome (4254224524).

The spelling of 1202112503 in words is "one billion, two hundred two million, one hundred twelve thousand, five hundred three".