1203112113 has 16 divisors (see below), whose sum is σ = 1837411200. Its totient is φ = 685956096.

The previous prime is 1203112003. The next prime is 1203112121. The reversal of 1203112113 is 3112113021.

It is a happy number.

It is not a de Polignac number, because 1203112113 - 2¹² = 1203108017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1203112092 and 1203112101.

It is not an unprimeable number, because it can be changed into a prime (1203112153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54370 + ... + 73227.

It is an arithmetic number, because the mean of its divisors is an integer number (114838200).

Almost surely, 2^1203112113 is an apocalyptic number.

It is an amenable number.

1203112113 is a deficient number, since it is larger than the sum of its proper divisors (634299087).

1203112113 is a wasteful number, since it uses less digits than its factorization.

1203112113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128056.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1203112113 is about 34685.9065471843. The cubic root of 1203112113 is about 1063.5764188326.

Adding to 1203112113 its reverse (3112113021), we get a palindrome (4315225134).

The spelling of 1203112113 in words is "one billion, two hundred three million, one hundred twelve thousand, one hundred thirteen".