1235012103 has 40 divisors (see below), whose sum is σ = 2091412400. Its totient is φ = 719995392.

The previous prime is 1235012101. The next prime is 1235012113. The reversal of 1235012103 is 3012105321.

It is not a de Polignac number, because 1235012103 - 2¹ = 1235012101 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 (1235012101) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10858 + ... + 50871.

It is an arithmetic number, because the mean of its divisors is an integer number (52285310).

Almost surely, 2^1235012103 is an apocalyptic number.

1235012103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1235012103 is a deficient number, since it is larger than the sum of its proper divisors (856400297).

1235012103 is a wasteful number, since it uses less digits than its factorization.

1235012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61773 (or 61764 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1235012103 is about 35142.7389797665. The cubic root of 1235012103 is about 1072.8946290940.

Adding to 1235012103 its reverse (3012105321), we get a palindrome (4247117424).

The spelling of 1235012103 in words is "one billion, two hundred thirty-five million, twelve thousand, one hundred three".