1231245234 has 12 divisors (see below), whose sum is σ = 2667698046. Its totient is φ = 410415072.

The previous prime is 1231245203. The next prime is 1231245241. The reversal of 1231245234 is 4325421321.

1231245234 is a `hidden beast` number, since 12 + 3 + 124 + 523 + 4 = 666.

1231245234 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1076168025 + 155077209 = 32805^2 + 12453^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1231245198 and 1231245207.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34201239 + ... + 34201274.

Almost surely, 2^1231245234 is an apocalyptic number.

1231245234 is an abundant number, since it is smaller than the sum of its proper divisors (1436452812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231245234 is a wasteful number, since it uses less digits than its factorization.

1231245234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68402521 (or 68402518 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 1231245234 is about 35089.1042062917. The cubic root of 1231245234 is about 1071.8027182304.

Adding to 1231245234 its reverse (4325421321), we get a palindrome (5556666555).

The spelling of 1231245234 in words is "one billion, two hundred thirty-one million, two hundred forty-five thousand, two hundred thirty-four".